CH3 Mg Br is an organometallic compound due to (A) p€¦ · (III) Trimethyl boron (IV)Al 2 (CH 3) 6 (A) Only I (B) I & II (C) I, II, IV (D) I, III, IV Contact : 8400-582-582, 8604-582-582

CH3 – Mg – Br is an organometallic compound due

to

(A) p - bond between C and Mg

(B) Mg - Br covalent bond

(C) s - bond between C and Br

(D) s - bond between C and Mg.

www.gangwarinstitute.com Contact : 8400-582-582, 8604-582-582

01

A person suffering from lead poisoning should be fed

with

(A) Hypo

(B) Cis-platin

(C) [Ca(EDTA)]2–

(D) DMG.


02

The IUPAC name for [(NH3)5 Cr–OH–Cr(NH3)5]5+ is

(A) µ-hydroxo-bis (pentaammine dichromium) (V+) ion

(B) µ-hydroxo-bis (decaammine dichromium) (V+) ion

(C) µ-hydroxo-bis- (octaammine chromium (V+) ion

(D) µ-hydroxo-bis (pentammine chromium) (III) ion


03

Which of the following is not an organo metallic

compound

(A) (C2H5)2Zn

(B) CH3B(OCH3)2

(C) B(OCH3)3

(D) Ni(CO)4


04

Which is/are organometallic compound

(I) Grignard reagent (II) Sodium methoxide

(III) Trimethyl boron (IV) Al2(CH3)6

(A) Only I (B) I & II

(C) I, II, IV (D) I, III, IV


05

K3[Fe(CN)6] is

(a) Potassium hexacynoferrous (III)

(b) Potassium hexacynoferrate (III)

(c) Potassium ferricyanide

(d) Hexa cyno ferrate (III) potassium

Correct answer is

(A) Only (a) and (b) (B) Only (b) and (c)

(C) Only (a) and (c) (D) Only (b) and (d).


06

Correct formula of diammine silver (I) chloride is

(A) [Ag(NH3)Cl]

(B) [Ag(NH2)Cl]

(C) [Ag(NH3)2]Cl

(D) [Ag(NH2)2]Cl].


07

Which of the following is an organometallic compound

(A) Ti(OCOCH3)4

(B) Ti(OC6H5)4

(C) Ti(OC2H5)3C2H5

(D) [Fe(CN)6]4–


08

A reagent used for identifying nickel ion is

(A) Potassium ferrocyanide

(B) Phenolphthalein

(C) Dimethyl glyoxime

(D) EDTA.


09

Which of the following organometallic compound is

used as fungicide in plant protection

(A) C2H5HgCl

(B) (C2H5)2Zn

(C) (C2H5)4Pb

(D) (C2H5)2Cd


10

What is the oxidation number of chromium in the

dimeric hydroxo bridged species

(A) + 6

(B) + 4

(C) + 3

(D) + 2.


11

(H O2 )4 CrO

Cr(H O)2 4

H

OH

4+

Ferrocene is

(A) Fe(n5 – C5H5)2

(B) Cr(n6 – C6H6)2

(C) K[PtCl3(n2 – C2H4)]

(D) (C2H5)4Pb.


12

OMC form during purification of a metal is

(A) Ni(CO)4

(B) Pb(C2H5)4

(C) Li – C4H9

(D) Na2[Ni(CN)4]


13

Give the IUPAC name of the complex compound

[Co(NH3)4(H2O)Br](NO3)2

(A) BromoaquatetraamineCobalt (III) nitrate

(B) BromoaquatetraaminoCobalt (III) nitrate

(C) BromoaquatetraammineCobaltate (III) nitrate

(D) TetraammineaquabromoCobalt (III) nitrate


14

The most probable formula of prussian blue is

(A) Fe3[Fe(CN)6]2

(B) Fe2[Fe(CN)6]3

(C) Fe4[Fe(CN)6]3

(D) Fe3[Fe(CN)6]4


15

Zeigler natta catalyst is

(A) Pt/PtO

(B) Al(C2H5)3 + TiCl4

(C) K(PtCl3(h2 – C2H4)]

(D) Pt/Rh.


16

K4[Fe(CN)6] reacts with FeCl3 to form

(A) K3[Fe(CN)6]

(B) K4[Fe(CN)3Cl3]

(C) K3[Fe(CN)5Cl]

(D) KFe[Fe(CN)6]


17

A blue colouration is not obtained when

(A) NH4OH is added to CuSO4

(B) CuSO4 solution reacts with K4[Fe(CN)6]

(C) FeCl3 reacts with K4[Fe(CN)6]

(D) Anhydrous white CuSO4 is dissolved in water.


18

The image on an exposed and developed photography

film is due to

(A) AgBr

(B) [Ag(S2O3)2]3+

(C) Ag

(D) Ag2O


19

Which of the following statement is true

(A) FeCO3 and Fe3C are organometallic compounds

(B) In ferrocene ligand is cyclopentadienyl

(C) Pb (C2H5)4 is p-bonded OMC

(D) In zeise salt central metal is sp3 hybridised.


20

Which of the following is not a s-bonded organo-

metallic compound ?

(A) (C2H5)2Zn

(B) Sn(C2H5)4

(C) [(CH3)3Al]2

(D) Fe(n5 – C5H5)2


21

Match List I with List II and select the correct answer using the

codes given below the lists

List I List II

(a) Muscle contraction i. Zinc

(b) Blue-green algae ii. Cobalt

(c) Carboxypeptidase iii. Calcium

(d) Cyanocobalamine iv. Molybdenum

(A) (a)-iv, (b)-iii, (c)-i, (d)-ii (B) (a)-iii, (b)-iv, (c)-ii, (d)-i

(C) (a)-iv, (b)-iii, (c)-ii, (d)-i (D) (a)-iii, (b)-iv, (c)-i, (d)-ii.


22

Which of the following statement is incorrect about

[Fe(H2O)5NO]SO4

(A) It gives brown ring test for nitrates

(B) Oxidation state of Fe is + 1

(C) It exhibits geometrical isomerism

(D) Charge on NO is +1.


23

How many H-bonds are present in the complex

entity formed by Ni2+ and dmg ligands

(A) 2

(B) 3

(C) 4

(D) None.


24

Na2S2O3.5H2O is used in photography to

(A) Reduce AgBr to metallic Ag

(B) Remove reduced Ag

(C) Remove undecomposed AgBr as a soluble complex

(D) Converts metallic Ag to silver salt.


25

The solubility of AgBr in hypo solution is due to the

formation of

(A) Ag2SO3

(B) Ag2S2O3

(C) [Ag(S2O3)]–

(D) [Ag(S2O3)2]3–


26

Pick up the incorrect statement

(A) Cisplatin is a complex of platinum

(B) Vitamin B12 is a complex of cobalt

(C) Chlorophyll is a complex of Manganese

(D) Haemoglobin is a complex of iron.


27

Which of the following is an organometallic compound

(A) Lithium methoxide

(B) Lithium acetate

(C) Methyl lithium

(D) Lithium carbonate


28

In which of the following process OMC is formed with

the help of other OMC

(A) SnCl4 + Butyl lithium Bu4Sn + 4LiCl

(B) C2H5I + 4Pb/Na (alloy) (C2H5)4 Pb + 4Nal + 3Pb

(C) Ni + 4CO [Ni(CO)4]

(D) K2[PtCl4]+CH2 = CH2 K[PtCl3(C2H4)] + KCl.


29

Which one of the following is used as a heterogeneous

catalyst ?

(A) Wilkinson's catalyst

(B) Tetraethyl lead

(C) Zeigler Natta catalyst

(D) Grignard's reagent.


30

Documents

CH3 Mg Br is an organometallic compound due to (A) p€¦ · (III) Trimethyl boron (IV)Al 2 (CH 3) 6 (A) Only I (B) I & II (C) I, II, IV (D) I, III, IV Contact : 8400-582-582, 8604-582-582