TEST 2 (AIEEE) - Sangeeta Khanna

Dr. Sangeeta Khanna Ph.D CHEMISTRY COACHING

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TEST – 2 (AIEEE) INSTRUCTIONS: 1. This test consist of 50 questions.

2. The test duration is of 90 minutes.

3. Use blue or black ball-point pen to complete darken the appropriate circle.

4. Fill your particulars correctly and completely on the OMR ANSWER SHEET.

5. Each right answer carries 3 marks and for every wrong answer 1 mark will be deducted.

1. Acetanilide on nitration produces a mixture of o-

nitroacetanilide (minor product) and p-nitroacetanilide (major product). The constituents of the product mixture are usually separated by

a. sublimation b. fractional crystallization c. fractional distillation d. steam distillation 2. In Lassaigne’s test, which of the following

organic compounds would produce a blood-red colour when its sodium extract is treated with FeCl3 solution?

a. b. c. d. 3. The sodium extract of an organic compound on

boiling with HNO3 and on subsequent treatment with ammonium molybdate solution gives a yellow precipitate. Which of the following elements may be present in the compound?

a. Nitrogen b. Sulphur c. Phosphorus d. Halogen 4. Which of the following molecules is not stabilized

by resonance? a. b. c. CH2 = CHCH = CH2 d. CH2 = CHCHO 5. Give the correct order of decreasing acidity. a. C2H5SH > C2H5OH > C2H5NH2 > CH3CH2CH3 b. C2H5OH > C2H5SH > C2H5NH2 > CH3CH2CH3 c. C2H5OH > C2H5NH2 > CH3CH2CH3 > C2H5SH d. C2H5NH2 > C2H5SH > C2H5OH > CH3CH2CH3

6. A solution containing 2g of anhydrous BaCl2 in

4000 c.c. of water has a specific conductivity 0.0058 ohm–1. The molar conductivity of this solution is about: [M. Wt. of BaCl2 = 208]

a. 0.1 ohm–1 c.c. b. 2.41 ohm-1 c.c. c. 2410 ohm–1 c.c. d. 241 ohm–1 c.c. 7. Which of the following pairs of structures do not

represent tautomers? a. and b. and c. and d. and 8. Which of the following conformation of 1, 2-

ethanediol is not able to form intramolecular hydrogen bond?

a. b. c. d.

NH2

SO3H

CO2H H2N

H2N SO3H

OH

CHO

O

CHOH

O

CHO

OH

C

N

O

H

O–

O

Θ

C

O

C

O

OH H

N

OH

H

H

H

OH

H

H

OH

H

HO

OH

H H

H

H

H

OH

H

H

OH

H

H

OH

H

H

HO

M.MARKS: 150

Dr. Sangeeta Khanna Ph.D


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9. Arrange the following compounds in the order of

increasing rate of reaction with HCl

I. II. CH3CH = CH2

III. IV. CH2 = CH2

a. IV < II < I <III b. III < IV < II < I

c. III < I < II < IV d. I < II < III < IV

10. Which of the following is correct Match of list I

and List II

List – I

(Test)

List – II

(For which compound

it is performed)

I. Molish test (i) Protein

II. Biuret Test (ii) Carbohydrates

III

.

Acrolein

test

(iii) Nucleic acid

IV

.

Ninhydrin

Test

(iv) Fats

I II III IV

a. ii (iii) (iv) (i) b. ii (i) (iv) (i) c. iii (ii) (i) (iv) d. (ii) (iii) (i) (iv)

11. CH2 = CH – 2*

HC – Br KOH .aq

P; P is:

a. CH2 = CH – 2*

HC – OH

b. HO– CH2 – CH = 2*

HC

c. Both (a) and (b) d. None

12. Coupling of diazonium salts with the following,

takes place in order:

(I) (II) (III) (IV) a. IV < II < III < I b. IV < III < II < I c. II < IV < I < III d. I < II < III < IV 13. Which of the following electron transition in a

hydrogen atom will require the largest amount of energy?

a. From n = 1 to n = 2 b. From n = 2 to n = 3

c. From n = to n = 1 d. From n = 3 to n = 5 14. What is the wavelength of series limit for Lymen

series for hydrogen:

a. HR3

4 b.

HR

1

c. HR36

5 d. HR

15. The least polarized anion is:-

a. 24SO b. 2

42OC c. 3NO d.

4ClO

16. Which of the following has maximum dipole

moment? a. NCl3 b. NF3 c. NH3 d. NI3 17. Consider the following statements:

1. Cs+ is more highly hydrated than the other alkali metal ions.

2. Among the alkali metals Li, Na, K and Rb, lithium has the highest melting point.

3. Among the alkali metals only lithium forms a stable nitride by direct combination.

Of these statements: a. 1,2 and 3 are correct b. 1 and 2 are correct c. 1 and 3 are correct d. 2 and 3 are correct 18. Which of the following exhibit trigonal

bipyramidal geometry? 1. BrOF4

– 2. CH2 = SF4 3. SOF4 4. XeO4 5. XeF5

+ a. 1,2, 5 b. 1, 2, 3 c. 2, 3, 5 d. 2, 3, 4 19. What will be the orange coloured compound

formed when a mixture of K2Cr2O7 and NaCl is heated with conc. H2SO4?

a. CrO2Cl2 b. CrOCl2 c. Na2SO4 d. CrO2Cl

20. Which reaction involves a change in the

electron-pair geometry for the underlined atom?

a. BF3 + F– BF4– b. NH3 + H+ NH4

+

c. 2SO2 + O2 2SO3 d. H2O + H+ H3O+

21. The approximate pH of a solution formed by mixing equal volumes of solution of 0.1 M sodium propanoate and 0.1 M propanoic acid

CH = CH2

CH3O

O– OH

NH3

NH2

CH = CH2

H3C



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(Ka for propanoic acid = 1.3 x 10–5 mol dm-3) will be:

a. 1.52 b. 3.62 c. 4.89 d. 5.52 22. Match the following:

List – I List – II A. G 1. E + PV B. G0 2. – nFE0

C. S 3. RT ln

2

1

V

V

D. H 4. nR ln

1

2

V

V

Codes:

(A) (B) (C) (D) a. 2 4 1 3 b. 3 2 4 1 c. 3 1 4 2 d. 2 3 4 1

23. Calculate G° for the reaction below and tell whether it is spontaneous or nonspontaneous under standard conditions at 25°C.

2S(s) + 3O2(g) + 2H2O() 2H2SO4()

H° = -1056 kJ/mol S° = -505 J/mol

a. G° = -1207 kJ and the process is spontaneous.

b. G° = -1207 kJ and the process is nonspontaneous.

c. G° = -906 kJ and the process is spontaneous.

d. G° = -906 kJ and the process is nonspontaneous.

24. Standard electrode potential data are useful for

understanding the solubility of an oxidant in a redox titration. Some half cell reactions and their standard potential are given below:

)aq(Mne5)aq(H8)aq(MnO 24

+ 4H2O (l) ; E0 = 1.51 V

)aq(Cr2eH14)aq(OCr 3272

+ 7H2O (l); E0 = 1.38 V

Fe3+ (aq) + e– Fe2+ (aq); E0 = 0.77 V

Cl2 (g) + 2e– 2Cl– (aq); E0 = 1.40 V Identify the only incorrect statement regarding

the quantitative estimation of aqueous Fe(NO3)2: a. MnO4

– can be used in aqueous HCl b. Cr2O7

2– can be used in aqueous HCl c. MnO4

– can be used in aqueous H2SO4 d. Cr2O7

2– can be used in aqueous H2SO4

25. BACHCHOzonolysis

essurePr

2)CN(Ni

A and B are respectively:

a. Benzene, Glyoxal b. Mesitylene, Methylglyoxal c. Cyclohexene, Hexanedial d. Cycloctateraene, Glyoxal 26. MnO4

2– (1 mole) in neutral aqueous medium is

disproportionate to:

a. 2/3 mole of MnO4– and 1/3 mole of MnO2

b. 1/3 mole of MnO4– and 2/3 mole of MnO2

c. 1/3 mole of Mn2O7 and 1/3 mole of MnO2

d. 2/3 mole of Mn2O7 and 1/3 mole of MnO2

27. For the reaction A + B C+D. The variation of

the concentration of the products with time is

given by the curve:

a. X

b. Y

c. Z

d. W

28. XeF6 is conducting in HF due to the formation of:

a. XeF5 and HF2+ b. XeF5

– 1 and F+

c. XeF5+ and HF2

– d. None of these

29. An aqueous solution of NaCl freezes at –

0.1860C. Given that 512.0KO2H

b K kg mol-1

and 86.1KO2H

f K kg mol-1, the elevation in

boiling point of this solution is:

a. 0.0585 K b. 0.0512 K

c. 1. 864 K d. 0.0265 K

30. The number of P – O – P bridges in the structure

of phosphorus pentoxide and phosphorus

trioxide are respectively:

a. 6, 6 b. 5, 5 c. 5, 6 d. 6, 5

31. C2H6(g) + 3.5 O2(g) 2CO2(g) + 3H2O (g)

Svap (H2O,l)= x1 cal K-1 (b.p.T1)

Hf (H2O, I) = x2

Hf (CO2) = x3

Hf (C2H6) x4

Hence H of the above reaction is:

a. 2x3+ 3x2 – x4 b. 2x3 + 3x2 – x4 + 3x1T1

c. 2x3 + 3x2 – x4 – 3x1T1 d. x1T1 + x2 + x3 – x4

Y

Z

W

X

Time



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32. Which of the following benzene ring is more

reactive towards electrophile:

a. A b. B c. C d. Both a & c

33. Which of the following statements is incorrect? a. Activation energy for the forward reaction

equals activation energy for the backward reaction

b. For a reversible reaction, an increase in temperature increases the reaction rate for both the forward and the backward reaction

c. The larger the initial reactant concentration, for a second order reaction, shorter its half life

d. When t is infinitesimally small, the average rate equals the instantaneous rate

34. Plot of log t0.5 vs log a is a straight line. What

conclusions can be drawn from the plot:

log t0.5 Log a

a. n = 1 , t0.5= ka

1 b. n = 2 , t0.5 =

a

1

c. n = 1 , t0.5 = k

693.0 d. None of above

35. If a mixture of weak and strong acid is titrated

with NaOH, variation of conductance (y-axis) with addition of NaOH (x-axis) will be:

a. b. c. d. 36. According to the adsorption theory of catalysis,

the speed of the reaction increases because: a. adsorption produces heat which increases

the speed of the reaction b. adsorption lowers the activation energy of

the reaction c. the concentration of reactant molecules at

the active centres of the catalyst becomes high due to adsorption

d. in the process of adsorption, the activation

energy of the molecules becomes large

37. A solution containing 1 mole per litre each of

A’X, B’X2 , C’X2 and D’X2 is electrolysed using

inner electrodes. The value of standard potential

for reducing reaction of A+/A, B2+ /B, C2+ /C and

D2+/D are 0.8,+ 0.34, -0.76 and –1.66 volts

respectively. The correct sequence in which

these metals will be deposited on cathode is:

a. A’, B’, C’, D’ b. D’ , C’, B’, A’

c. A’, C’, B’, D’ d. D’, B’, C’, A’

38. The correct arrangement of KHSO3, Na2SO4,

(NH4)2S2 and S8 in increasing order of oxidation

state of S in them is:

a. KHSO3 < Na2SO4 < (NH4)2S2<S8

b. S8 < (NH4)2 S2 < KHSO3 < Na2SO4

c. (NH4)2S2 < S8 < KHSO3 < Na2SO4

d. Na2SO4 < KHSO3 < (NH4)2S2 < S8

39. For the reaction:

Bond energies are given as under:

(i) C – C , 346 KJ/ mol

(ii) C – H , 413 KJ/ mol

(iii) H – H , 437 KJ/mol and

(iv) C = C , 611 KJ/mol

What will be the value of H 250C for the above

reaction:

a. –289 KJ mol-1 b. –124 KJ mol-1

c. +124 KJ mol-1 d. +289 KJ mol-1

40. The structure of an - amino acid, H

COOH

CHN

R

|

|3

Will exist at pH:

a. 0 b. 7 c. 12 d. 14

41. ductionRe

O2H

3O

)A(147 )B(HC

32|

3

|3 CHCHH

OH

CH

CH

CCH

A and B in the above reaction are:

a.

b. .

H

H

+ H – H H

H

H H

CH3 – CH2 – CH

HC – CH

CH3

CH3 (A)

CH3

CH3 C = O

(B)

CH3 – CH2 – C = CH2

CH

CH3 CH3

(A)

CH3 – CH2 – C

CH

CH3 CH3

O

(B)

A B C



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c. d. None of these

42. The IUPAC name of this compound is a. 2, 2, 6-trimethyl-4-(1-methylpropyl) nonane b. 4, 8, 8-trimethyl-6-(1-methylpropyl) nonane c. 3,6-dimethyl-4-(methylene tertiarybutyl)nonane d. 6,6-dimethyl-2-propyl-4-(1-methylpropyl) heptane 43. A square planar complex represented will show: a. Geometical isomers b. Optical isomerism c. Linage isomerism d. No isomerism 44. Match list I (Hybrid bond orbitals) with list II

(species ) and select the correct answer: List – I List – II A. sp3 1. ICl4

– B. dsp2 2. TeCl4 C. sp3d 3. MnO4

– D. sp3d2 4. Ni(CN)4

2- A B C D a. 4 3 1 2 b. 4 3 2 1 c. 3 4 1 2 d. 3 4 2 1 45. The two molecules are indicated below are

capable of intramolecular bonding. Which in the likely to form more stable hydrogen bonds:

a. I b. II c. equal d. No intramolecular hydrogen bonding 46. The atomic number of potassium is 19 and that

of manganese is 25. Although the colour of

MnO4– is dark violet, yet the K+ is colourless.

This is due to the fact that: a. Mn is a transition element ; while K+ is not b. [MnO4]

– is negatively charged ; while K+ has a positive charge

c. the effective atomic number of Mn in [MnO4]-

is 26; while for K+, the atomic number is 18 d. The Mn in a high positive oxidation state

allows charge transfer transitions 47. In the production of Mg by the electrolytic

method it is a molten mixture of MgCl2, NaCl and CaCl2 that is electrolysed. The function of NaCl and CaCl2 is as follows:

a. They act as electrolysis and products of their electrolysis reacts with MgCl2 to yield Mg b. The presence of these help MgCl2 to melt at

lower temperature and there by save much of electricity

c. they increase the density of the molten mass d. all 48. Consider the following statements. In diborane : 1. Boron is approximately sp3 hybridized 2. B – H –B angle is 1800 3. There are two terminal B – H bond for each

bond atom 4. There are only 12 bonding electrons

available of these statements a. 1,2 & 4 are correct b. 1,2 & 3 are correct c. 2,3 & 4 are correct d. 1,3 & 4 are correct 49. Consider following transformations

I. XeF6 + NaF [Na]+ [XeF7]-

II. 2PCl5(s) [PCl4]+ [PCl6]

–

III. [Al(H2O)6]+3+H2O Al(H2O)5OH]+2 +H3O

+ Possible transformations are: a. I b. II c. III d. All 50. End products of following sequence of reaction: a. b. c. d.

CH3 – CH2 – CH = C

CH3

CH2 – CH3

(A)

CH3 – CH2 – CH = O

(B)

CH3CH2CH2CH – CH2 – CH – CH2 – C – CH3

CH3 CHCH3 CH3

CH2CH3

CH3

H2N CH2

CH2

H2N

H2N

H2C

H2C H2N

M

C

H H

H

CH3

H3C

C C

O

H (II)

O

CH3

H

H

O

C C

C H3C

O

(I)

Br Alc. KOH

A O3/H2O

B BaO

C

O OH

O

HOOC COOH



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TEST – 2 (AIEEE) ANSWERS

1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C


1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C


1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C


1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C


1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C




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1. B 2. D 3. C 4. A 5. A 6. C 7. D 8. C 9. A 10. B

11. C 12. A 13. A 14. B 15. D 16. C 17. D 18. C 19. A 20. A

21. C 22. B 23. C 24. A 25. D 26. A 27. B 28. C 29. B 30. A

31. B 32. B 33. A 34. C 35. C 36. B 37. A 38. C 39. B 40. A

41. B 42. A 43. D 44. D 45. A 46. D 47. B 48. D 49. D 50. C

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TEST 2 (AIEEE) - Sangeeta Khanna