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CHEM
ISTR
Y
11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
Which of the following compounds is not chiral ?
(A) 1-chloropentane (B) 2-chloropentane
(C) 1-chloro 2-methylpentane (D) 3-chloro-2-methylpentane
The absolute configuration of the compound is ..........
C
H
Br
H C3 Cl
(A) E (B) R (C) S (D) Z
Which of the following reaction is an example of nucleophilic substitution reaction ?
(A) 2RX + Na ® R – R + 2NaX (B) RX + H2 ® RH + HX
(C) RX + Mg ® RMg X (D) RX + KOH ® ROH + KX
In the chemical reaction,
NH2
2NaNO
HCl 278K4HBF
A B the compounds ‘A’ and ‘B’ respectively
are...
(A) Nitrobenzene and chlorobenzene
(B) Nitrobenzene and fluorobenzene
(C) Phenol and Benzene
(D) Benzene diazonium chloride and fluoro-benzene
Which of the following compounds has the highest boiling point ?
(A) CH3CH2CH2Cl (B) CH3CH2CH2CH2Cl (C) CH3CH(CH3)CH2Cl (D) (CH3) C Cl
Chlorobenzene reacts with sodium metal in presence of dry ether to prepare diphenyl the
name of the reaction is...
(A) Fittig reaction (B) Wurtz-Fittig reaction
(C) Sandmeyer reaction (D) Gattermann reaction
In the following reactions, the final product B is....
CH3ClKCN
¾¾¾¾® A ¾¾¾¾¾®2+H /H O
B
(A) CH3COOH (B) H COOH (C) CH3NH2 (D) CH3COCH3
How many alcohols with a molecular formula C4H10O are chiral in nature?
(A) 1 (B) 2 (C) 3 (D) 4
Arrange the following compounds in increasing order of boiling point :
Propan-1-ol, Butan-1-ol, Butan-2-ol, Pentan-1-ol
(A) Propan-1-ol, Butan-2-ol, Butan-1-ol, Pentan-1-ol
(B) Propan-1-ol, Butan-1-ol, Butan-2-ol, Pentan-1-ol
(C) Pentan-1-ol, Butan-2-ol, Butan-1-ol, Propan-1-ol
(D) Pentan-1-ol, Butan-1-ol, Butan-2-ol, Propan-1-ol
The alcohol that responds to Lucas reagent fastest is ..........
(A) 2-Methyl propan-2-ol (B) 2-Methyl propan-1-ol (C) Butan-2-ol (D) Propan-1-ol
Phenetole is ..........
(A) Diphenyl ether (B) Ethoxy benzene (C) Methoxy benzene (D) Diethyl ether
SHREE HARI SCHOOLMarks:100 Subject:12th-Che
Chapter:10,11,12,13,.. chemistry sem2
Date:18/02/20
Time:03 hr
< Wish You - All the best >
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CHEM
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Which of the following alcohols give ketone on oxidation ?
(A) Propan-2-ol (B) Propan-1-ol (C) 2-Methyl propan-1-ol (D) Butan-1-ol
Which of the following compound having maximum solubility and highest boiling point ?
(A) Ethanol (B) Ethane-1,2-diol (C) Propane-1,2,3-triol (D) Butan-1-ol
In the following reaction, the (X) is ............
OH
Zn dust
Heat
HNO3 (Conc.)
H SO42 (Conc.)(X)
(A) Benzene (B) Nitrobenzene
(C) m-dinitrobenzene (D) 1,3,5-trinitrobenzene
In the reaction, ¾¾¾¾® ¾¾¾® ¾¾¾¾¾®543
Alc. KOHPClLiAlHCH COOH A B C The product C is :
(A) Ethylene (B) Acetyl chloride (C) Acetaldehyde (D) Acetylene
Match the compounds given in column I with the hybridisation and shape given in column II
and mark the correct option.
(A) (a - i),(b - ii),(c - iv),(d - iii) (B) (a - iv),(b - iii),(c - i),(d - ii)
(C) (a - iv),(b - i),(c - ii),(d - iii) (D) (a - i),(b - iii),(c - iv),(d - ii)
Column-I Column-II
(a) XeF6 (i) distorted octahedral
(b) XeO3 (ii) square planar
(c) XeOF4 (iii) pyramidal
(d) XeF4 (iv) square pyramidal
The major product of the following reaction is :
COOH
COOH+ NH3
Strong heating
(A)
NH2
NH2
(B)
COOH
CONH2
(C)
O
O
NH(D)
COOH
NH2
Which of the following compound can gives a both Fehling and Iodoform test ?
(A) Ethenol (B) Propane (C) 2-butenol (D) Ethanal
What is the IUPAC name of CH3 – CH – (CH3) – CO – CH3 compounds ?
(A) 3-methyl-2-butenone (B) 2-methyl-3-butenone
(C) Isopropyl methyl ketone (D) 1,1-dimethyl acetone
Which of the following reagent is used to make aldehyde and ketones pure ?
(A) R – MgX (B) HCN (C) NaHSO4 (D) NH2NHH2
Ethanal + ethanolDry HCl gas���������������������� P, find out product P ?
(A) Acetal (B) Hemiacetal (C) Cyclic ketal (D) Oxime
Which of the following is most basic ?
(A) Aniline (B) Acetanilide (C) p-nitro aniline (D) Benzyl amine
CH3CH2Cl¾¾¾¾®NaCN X¾¾¾¾®2Ni/H
YY¾¾¾¾¾¾®Acetic
anhydrides Z what is Z product in above reaction ?
(A) CH3CH
2CH
2NHCOCH
3(B) CH
3CH
2CH
2NH
2
(C) CH3CH
2CH
2CONHCH
3(D) CH
3CH
2CH
2CONHCOCH
3
< Wish You - All the best >
// Page:2 //
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CHEM
ISTR
Y
Which of the following is secondary amine ?
(A) 2-butanamine (B) N-methyl pyridine
(C) N-methyl-2-pentan amine (D) All of above
Best method for preparing primary amines from alkyl halides without changing the number of
carbon atoms in the chain is
(A) Hoffmann Bromamide reaction (B) Gabriel phthalimide synthesis
(C) Sandmeyer reaction (D) Reaction with NH3
What is correct order of halide amine ?
(A) R – I > R – Br > R – Cl (B) R – Cl > R – Br > R – I
(C) R – Br > R – I > R – Cl (D) R – I < R – Br > R – Cl
Which catalyst is used in Friedel-Craft reaction ?
(A) Anhydrous AlCl3 (B) Anhydrous FeCl3 (C) Ultra violet (D) AlCl3
Diazonium salt is use freshly because...
(A) inert (B) more reactive (C) unstable (D) polar
Which compound does not show mutarotation ?
(A) (+) maltose (B) (–) fructose (C) (+) sucrose (D) lactose
Which of the following is absent in DNA ?
(A) Uracil (B) Guanine (C) Phosphoric Acid (D) Ribose sugar
Which element is present in vitamin B12 ?
(A) Fe(II) (B) Co(III) (C) Zn (I) (D) Co (II)
Which vitamin is water soluble ?
(A) Vitamin-E (B) Vitamin-K (C) Vitamin-A (D) Vitamin-B
Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives .........
(A) 2 molecules of glucose
(B) 2 molecules of glucose + 1 molecule of fructose
(C) 1 molecule of glucose + 1 molecule of fructose
(D) 2 molecules of fructose
Three cyclic structures of monosaccharides are given below which of these are anomers.
CH OH2
OH
OH
H
H
H
H
OH
HO H O
(I)
O
CH OH2
H
H
HOH
H
HO
HO
HO
H OH
H
(III)
CH OH2
OH
H
H
HO
H
H
OH
HO H O
(II)
(A) I and II (B) II and III
(C) I and III (D) III is anomer of I and II
The formula of Rhamnose is .........
(A) C6H12O6 (B) C6H12O5 (C) C6H10O5 (D) C12H22O11
) F2C = CF2 is a monomer of which substance ?
(A) Teflon (B) Nylon-6,6 (C) Buna-N (D) Styrene
Bakelite is obtained by the reaction between phenol and which of the following ?
(A) HCHO (B) (CH2OH)2 (C) CH3CHO (D) CH3COCH3
Caprolactam is used for the manufacture of :
(A) Terylene (B) Nylon-6,6 (C) Nylon-6 (D) Teflon
< Wish You - All the best >
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CHEM
ISTR
YAnswer the following Questions. [Each carries 2 marks]
Answer the following Questions. [Each carries 3 marks]
Novolac is of which type polymer ?
(A) Linear (B) Branched (C) Cross linked (D) None of these
Which polymer is used to prepare fishing net ?
(A) Nylon-6,6 (B) Bakelite (C) Decron (D) Nylon-6
The monomer unit of orlon is ......
(A) Acrolene (B) Chloroprene (C) Acrylonitrile (D) Isoprene
Which of the following polymers is elastomer ?
(A) Buna-S (B) Nylon (C) PVC (D) Terylene
Which analgesic drug is more useful for patients of heart disease ?
(A) Ranitidine (B) Asprin (C) Seconal (D) Paracetamol
Which of the following is used as a food preservative ?
(A) Salts of sorbic acid (B) Citric acid (C) Sucralose (D) Ascorbic acid
Which type of detergent is LAS. (i) Anionic (ii) Cationic (iii) Biosoft (iv) Biohard
(A) (i) and (iv) (B) (i) and (iii) (C) (ii) and (iii) (D) (ii) and (iv)
Which type of class of drugs does ranitidine belong to ?
(A) Antihistamines. (B) Neurologically active drugs.
(C) Antimicrobial drugs. (D) Antifertility drugs.
Which one is the diseases of skin ?
(A) Gonoria (B) Goiter (C) Syphilis (D) All of the given
What is the effect of acidity ?
(A) Imitation and pain in stomach (B) Ulcers in stomach
(C) (A) and (B) both (D) Water in stomach
Which one prevent coagulation of blood ?
(A) Aspirin (B) Paracetamol (C) Penicillin (D) Ofloxesin
How much sulpher is present in the rubber used for tyres ?
(A) 5 % (B) 10 % (C) 20 % (D) 30 %
What are ambident nucleophiles ? Explain with an example.
Write the reactions of alcohols with hydrogen halides OR Explain Lucas test.
Write method of preparation for alcohol by reduction of carboxylic acid.
) Give the structures of A, B and C in the following reactions : C6H5NO2Fe/HCl¾¾¾¾® A
2HNO
273K¾¾¾¾® B 6 5C H OH
¾¾¾¾¾® C
Write a note on denaturation of proteins.
Explain the preparation of Nylon-2-nylon-6.
Explain Antifertility Drugs.
Explain why is ortho nitrophenol more acidic than ortho methoxyphenol ?
Explain physical properties of amine compounds.
Write short note : Melamine-formaldehyde polymer.
Explain Food Preservatives and antioxidant in food.
Explain dehydrohalogenation (b-elimination) of alkyl halides.
What is meant by hydroboration-oxidation reaction ? Illustrate it with an example.
7.7) Write short notes on the following : Gabriel phthalimide synthesis.
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CHEM
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Answer the following Questions. [Each carries 5 marks]
Write a note on SN2 mechanism.
Write a note on sucrose
Write about cross aldol condensation reaction.
< Wish You - All the best >
// Page:5 //
[D] [15]
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KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
Answer KeyMarks:100 Subject:12th-Che
Chapter:10,11,12,13,.. chemistry sem2
Date:18/02/20
Time:03 hr
Section [ A ] : 1 Mark MCQ
No Ans Chap Sec Que PageNo BookType
1 A Chap 10 (Part2) E-C 6 Kumar
2 B Chap 10 (Part2) E-C 7 Kumar
3 D Chap 10 (Part2) E-C 16 Kumar
4 D Chap 10 (Part2) E-C 17 Kumar
5 B Chap 10 (Part2) E-B 13 Kumar
6 A Chap 10 (Part2) E-B 27 Kumar
7 A Chap 10 (Part2) E-B 23 Kumar
8 A Chap 11 (Part2) D-A 2 Kumar
9 D Chap 11 (Part2) D-A 16 Kumar
10 A Chap 11 (Part2) E-A 31 Kumar
11 C Chap 11 (Part2) E-A 48 Kumar
12 A Chap 11 (Part2) E-A 57 Kumar
13 C Chap 11 (Part2) E-A 74 Kumar
14 B Chap 11 (Part2) E-A 79 Kumar
15 A Chap 12 (Part2) E-E 11 Kumar
16 D Chap 12 (Part2) E-E 21 Kumar
17 C Chap 12 (Part2) E-E 30 Kumar
18 D Chap 12 (Part2) E-D 16 Kumar
19 A Chap 12 (Part2) E-D 17 Kumar
20 C Chap 12 (Part2) E-A 34 Kumar
21 B Chap 12 (Part2) E-A 38 Kumar
22 D Chap 13 (Part2) E-C 7 Kumar
23 A Chap 13 (Part2) E-B 1 Kumar
24 C Chap 13 (Part2) E-B 8 Kumar
25 B Chap 13 (Part2) D-A 21 Kumar
26 A Chap 13 (Part2) E-A 19 Kumar
27 A Chap 13 (Part2) E-A 62 Kumar
28 C Chap 13 (Part2) E-A 66 Kumar
29 C Chap 14 (Part2) E-C 8 Kumar
30 A Chap 14 (Part2) E-C 9 Kumar
31 B Chap 14 (Part2) E-B 15 Kumar
32 D Chap 14 (Part2) E-B 20 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
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// Page:2 //
33 C Chap 14 (Part2) D-A 3 Kumar
34 A Chap 14 (Part2) D-A 15 Kumar
35 B Chap 14 (Part2) E-A 31 Kumar
36 A Chap 15 (Part2) E-C 2 Kumar
37 A Chap 15 (Part2) E-C 11 Kumar
38 C Chap 15 (Part2) E-C 23 Kumar
39 A Chap 15 (Part2) E-D 46 Kumar
40 A Chap 15 (Part2) E-D 41 Kumar
41 C Chap 15 (Part2) E-D 35 Kumar
42 A Chap 15 (Part2) E-D 22 Kumar
43 B Chap 16 (Part2) E-D 29 Kumar
44 A Chap 16 (Part2) E-D 34 Kumar
45 A Chap 16 (Part2) E-D 36 Kumar
46 A Chap 16 (Part2) E-A 4 Kumar
47 C Chap 16 (Part2) E-A 19 Kumar
48 C Chap 16 (Part2) E-A 45 Kumar
49 A Chap 16 (Part2) E-A 65 Kumar
50 A Chap 15 (Part2) E-A 55 Kumar
Section [ B ] : 2 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 10 (Part2) C 8 Kumar
2 - Chap 11 (Part2) A 25 Kumar
3 - Chap 12 (Part2) A 77 Kumar
4 - Chap 13 (Part2) C 9.6 Kumar
5 - Chap 14 (Part2) A 25 Kumar
6 - Chap 15 (Part2) A 27 Kumar
7 - Chap 16 (Part2) A 8 Kumar
Section [ C ] : 3 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 11 (Part2) C 15 Kumar
2 - Chap 13 (Part2) A 11 Kumar
3 - Chap 15 (Part2) A 17 Kumar
4 - Chap 16 (Part2) A 11 Kumar
5 - Chap 10 (Part2) A 26 Kumar
6 - Chap 11 (Part2) C 6 Kumar
KU
MA
R PRA
KA
SHA
N K
END
RA
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
7 - Chap 13 (Part2) C 7.7 Kumar
Section [ D ] : 5 Marks Questions
No Ans Chap Sec Que PageNo BookType
1 - Chap 10 (Part2) A 18 Kumar
2 - Chap 14 (Part2) A 11 Kumar
3 - Chap 12 (Part2) A 46 Kumar
11) Choose correct answer from the given alternatives and write it. [Each carries 1 Mark]
X
2 This is demo ans.
Which of the following compounds is not chiral ?
(A) 1-chloropentane (B) 2-chloropentane
(C) 1-chloro 2-methylpentane (D) 3-chloro-2-methylpentane
The absolute configuration of the compound is ..........
C
H
Br
H C3 Cl
(A) E (B) R (C) S (D) Z
Which of the following reaction is an example of nucleophilic substitution reaction ?
(A) 2RX + Na ® R – R + 2NaX (B) RX + H2 ® RH + HX
(C) RX + Mg ® RMg X (D) RX + KOH ® ROH + KX
In the chemical reaction,
NH2
2NaNO
HCl 278K4HBF
A B the compounds ‘A’ and ‘B’ respectively
are...
(A) Nitrobenzene and chlorobenzene
(B) Nitrobenzene and fluorobenzene
(C) Phenol and Benzene
(D) Benzene diazonium chloride and fluoro-benzene
Which of the following compounds has the highest boiling point ?
(A) CH3CH2CH2Cl (B) CH3CH2CH2CH2Cl (C) CH3CH(CH3)CH2Cl (D) (CH3) C Cl
Chlorobenzene reacts with sodium metal in presence of dry ether to prepare diphenyl the
name of the reaction is...
(A) Fittig reaction (B) Wurtz-Fittig reaction
(C) Sandmeyer reaction (D) Gattermann reaction
In the following reactions, the final product B is....
CH3ClKCN
¾¾¾¾® A ¾¾¾¾¾®2+H /H O
B
(A) CH3COOH (B) H COOH (C) CH3NH2 (D) CH3COCH3
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
Paper SolutionMarks:100 Subject:12th-Che
Chapter:10,11,12,13,.. chemistry sem2
Date:18/02/20
Time:03 hr
[A] [50]
1.
2.
3.
4.
5.
6.
7.
In the following reactions, the final product B is....
CH3ClKCN
¾¾¾¾® A ¾¾¾¾¾®2+H /H O
B
(A) CH3COOH (B) H COOH (C) CH3NH2 (D) CH3COCH3
How many alcohols with a molecular formula C4H10O are chiral in nature?
(A) 1 (B) 2 (C) 3 (D) 4
Arrange the following compounds in increasing order of boiling point :
Propan-1-ol, Butan-1-ol, Butan-2-ol, Pentan-1-ol
(A) Propan-1-ol, Butan-2-ol, Butan-1-ol, Pentan-1-ol
(B) Propan-1-ol, Butan-1-ol, Butan-2-ol, Pentan-1-ol
(C) Pentan-1-ol, Butan-2-ol, Butan-1-ol, Propan-1-ol
(D) Pentan-1-ol, Butan-1-ol, Butan-2-ol, Propan-1-ol
The alcohol that responds to Lucas reagent fastest is ..........
(A) 2-Methyl propan-2-ol (B) 2-Methyl propan-1-ol (C) Butan-2-ol (D) Propan-1-ol
Phenetole is ..........
(A) Diphenyl ether (B) Ethoxy benzene (C) Methoxy benzene (D) Diethyl ether
Which of the following alcohols give ketone on oxidation ?
(A) Propan-2-ol (B) Propan-1-ol (C) 2-Methyl propan-1-ol (D) Butan-1-ol
Which of the following compound having maximum solubility and highest boiling point ?
(A) Ethanol (B) Ethane-1,2-diol (C) Propane-1,2,3-triol (D) Butan-1-ol
In the following reaction, the (X) is ............
OH
Zn dust
Heat
HNO3 (Conc.)
H SO42 (Conc.)(X)
(A) Benzene (B) Nitrobenzene
(C) m-dinitrobenzene (D) 1,3,5-trinitrobenzene
In the reaction, ¾¾¾¾® ¾¾¾® ¾¾¾¾¾®543
Alc. KOHPClLiAlHCH COOH A B C The product C is :
(A) Ethylene (B) Acetyl chloride (C) Acetaldehyde (D) Acetylene
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// Page:2 //
8.
9.
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11.
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13.
14.
15.
Match the compounds given in column I with the hybridisation and shape given in column II
and mark the correct option.
(A) (a - i),(b - ii),(c - iv),(d - iii) (B) (a - iv),(b - iii),(c - i),(d - ii)
(C) (a - iv),(b - i),(c - ii),(d - iii) (D) (a - i),(b - iii),(c - iv),(d - ii)
Column-I Column-II
(a) XeF6 (i) distorted octahedral
(b) XeO3 (ii) square planar
(c) XeOF4 (iii) pyramidal
(d) XeF4 (iv) square pyramidal
The major product of the following reaction is :
COOH
COOH+ NH3
Strong heating
(A)
NH2
NH2
(B)
COOH
CONH2
(C)
O
O
NH(D)
COOH
NH2
Which of the following compound can gives a both Fehling and Iodoform test ?
(A) Ethenol (B) Propane (C) 2-butenol (D) Ethanal
What is the IUPAC name of CH3 – CH – (CH3) – CO – CH3 compounds ?
(A) 3-methyl-2-butenone (B) 2-methyl-3-butenone
(C) Isopropyl methyl ketone (D) 1,1-dimethyl acetone
Which of the following reagent is used to make aldehyde and ketones pure ?
(A) R – MgX (B) HCN (C) NaHSO4 (D) NH2NHH2
Ethanal + ethanolDry HCl gas���������������������� P, find out product P ?
(A) Acetal (B) Hemiacetal (C) Cyclic ketal (D) Oxime
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:3 //
16.
17.
18.
19.
20.
21.
Which of the following is most basic ?
(A) Aniline (B) Acetanilide (C) p-nitro aniline (D) Benzyl amine
CH3CH2Cl¾¾¾¾®NaCN X¾¾¾¾®2Ni/H
YY¾¾¾¾¾¾®Acetic
anhydrides Z what is Z product in above reaction ?
(A) CH3CH
2CH
2NHCOCH
3(B) CH
3CH
2CH
2NH
2
(C) CH3CH
2CH
2CONHCH
3(D) CH
3CH
2CH
2CONHCOCH
3
Which of the following is secondary amine ?
(A) 2-butanamine (B) N-methyl pyridine
(C) N-methyl-2-pentan amine (D) All of above
Best method for preparing primary amines from alkyl halides without changing the number of
carbon atoms in the chain is
(A) Hoffmann Bromamide reaction (B) Gabriel phthalimide synthesis
(C) Sandmeyer reaction (D) Reaction with NH3
What is correct order of halide amine ?
(A) R – I > R – Br > R – Cl (B) R – Cl > R – Br > R – I
(C) R – Br > R – I > R – Cl (D) R – I < R – Br > R – Cl
Which catalyst is used in Friedel-Craft reaction ?
(A) Anhydrous AlCl3 (B) Anhydrous FeCl3 (C) Ultra violet (D) AlCl3
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// Page:4 //
22.
23.
24.
25.
26.
27.
Diazonium salt is use freshly because...
(A) inert (B) more reactive (C) unstable (D) polar
Which compound does not show mutarotation ?
(A) (+) maltose (B) (–) fructose (C) (+) sucrose (D) lactose
Which of the following is absent in DNA ?
(A) Uracil (B) Guanine (C) Phosphoric Acid (D) Ribose sugar
Which element is present in vitamin B12 ?
(A) Fe(II) (B) Co(III) (C) Zn (I) (D) Co (II)
Which vitamin is water soluble ?
(A) Vitamin-E (B) Vitamin-K (C) Vitamin-A (D) Vitamin-B
Sucrose (cane sugar) is a disaccharide. One molecule of sucrose on hydrolysis gives .........
(A) 2 molecules of glucose
(B) 2 molecules of glucose + 1 molecule of fructose
(C) 1 molecule of glucose + 1 molecule of fructose
(D) 2 molecules of fructose
Three cyclic structures of monosaccharides are given below which of these are anomers.
CH OH2
OH
OH
H
H
H
H
OH
HO H O
(I)
O
CH OH2
H
H
HOH
H
HO
HO
HO
H OH
H
(III)
CH OH2
OH
H
H
HO
H
H
OH
HO H O
(II)
(A) I and II (B) II and III
(C) I and III (D) III is anomer of I and II
The formula of Rhamnose is .........
(A) C6H12O6 (B) C6H12O5 (C) C6H10O5 (D) C12H22O11
) F2C = CF2 is a monomer of which substance ?
(A) Teflon (B) Nylon-6,6 (C) Buna-N (D) Styrene
Bakelite is obtained by the reaction between phenol and which of the following ?
(A) HCHO (B) (CH2OH)2 (C) CH3CHO (D) CH3COCH3
Caprolactam is used for the manufacture of :
(A) Terylene (B) Nylon-6,6 (C) Nylon-6 (D) Teflon
Kumar Prakashan Kendra Welcome To Future M:91-7359 662200
// Page:5 //
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37.
38.
Novolac is of which type polymer ?
(A) Linear (B) Branched (C) Cross linked (D) None of these
Which polymer is used to prepare fishing net ?
(A) Nylon-6,6 (B) Bakelite (C) Decron (D) Nylon-6
The monomer unit of orlon is ......
(A) Acrolene (B) Chloroprene (C) Acrylonitrile (D) Isoprene
Which of the following polymers is elastomer ?
(A) Buna-S (B) Nylon (C) PVC (D) Terylene
Which analgesic drug is more useful for patients of heart disease ?
(A) Ranitidine (B) Asprin (C) Seconal (D) Paracetamol
Which of the following is used as a food preservative ?
(A) Salts of sorbic acid (B) Citric acid (C) Sucralose (D) Ascorbic acid
Which type of detergent is LAS. (i) Anionic (ii) Cationic (iii) Biosoft (iv) Biohard
(A) (i) and (iv) (B) (i) and (iii) (C) (ii) and (iii) (D) (ii) and (iv)
Which type of class of drugs does ranitidine belong to ?
(A) Antihistamines. (B) Neurologically active drugs.
(C) Antimicrobial drugs. (D) Antifertility drugs.
Which one is the diseases of skin ?
(A) Gonoria (B) Goiter (C) Syphilis (D) All of the given
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39.
40.
41.
42.
43.
44.
45.
46.
47.
Answer the following Questions. [Each carries 2 marks]
Which one is the diseases of skin ?
(A) Gonoria (B) Goiter (C) Syphilis (D) All of the given
What is the effect of acidity ?
(A) Imitation and pain in stomach (B) Ulcers in stomach
(C) (A) and (B) both (D) Water in stomach
Which one prevent coagulation of blood ?
(A) Aspirin (B) Paracetamol (C) Penicillin (D) Ofloxesin
How much sulpher is present in the rubber used for tyres ?
(A) 5 % (B) 10 % (C) 20 % (D) 30 %
What are ambident nucleophiles ? Explain with an example.
Write the reactions of alcohols with hydrogen halides OR Explain Lucas test.
Write method of preparation for alcohol by reduction of carboxylic acid.
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48.
49.
50.
[B] [14]
1.
2.
3.
) Give the structures of A, B and C in the following reactions : C6H5NO2Fe/HCl¾¾¾¾® A
2HNO
273K¾¾¾¾® B 6 5C H OH
¾¾¾¾¾® C
Write a note on denaturation of proteins.
Explain the preparation of Nylon-2-nylon-6.
Explain Antifertility Drugs.
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4.
5.
6.
7.
Answer the following Questions. [Each carries 3 marks]
Explain why is ortho nitrophenol more acidic than ortho methoxyphenol ?
Explain physical properties of amine compounds.
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[C] [21]
8.
9.
Write short note : Melamine-formaldehyde polymer.
Explain Food Preservatives and antioxidant in food.
Explain dehydrohalogenation (b-elimination) of alkyl halides.
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10.
11.
12.
Answer the following Questions. [Each carries 5 marks]
What is meant by hydroboration-oxidation reaction ? Illustrate it with an example.
7.7) Write short notes on the following : Gabriel phthalimide synthesis.
Write a note on SN2 mechanism.
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13.
14.
[D] [15]
15.
Write a note on sucrose
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16.
Write about cross aldol condensation reaction.
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17.
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