NEET chemistry coordinate compounds questions,answers,solutions,mcq

Coordinate Compound Mock Exam-10

Question No:1

Which of the following statement is true

[A] FeCO3and Fe3C are organometallic compounds.
[B] In ferrocene ligand is cyclopentadienyl.
[C] Pb(C2H5)4is π -bonded OMC
[D] In zeise salt central metal is Sp3 hybridised.

Question No:2

Which of the following is not a –bonded organometallic compound ?

[A] (C 2H5 ) 2 Zn
[B] Sn(C2 H5 ) 4
[C] [(CH3 ) 3 Al] 2
[D] Fe(n5–C2 H5 ) 2

Question No:3

Solution of TiCl4and trialkylaluminium used as a catalyst in polymerisation of olefins is called:-

[A] Wilkinson’s catalyst
[B] Zeigler Natta catalyst
[C] Homogeneous catalyst
[D] Grignard reagent

Question No:4

Synergic bonding involves :-

[A] The transference of electrons from ligands to metal
[B] The transference of electrons from filled metal orbitals to anti–bonding orbitals of ligands
[C] Both the above
[D] None of these

Question No:5

Ferrocene is :-

[A] Fe(n5 – C 5H5 ) 2
[B] Cr(n6 – C6H6) 2
[C] K[PtCl 3 (n2 – C2H4)]
[D] (C2H5 ) 4Pb

Question No:6

OMC form during purification of a metal is :-

[A] Ni(CO) 4
[B] Pb(C2H5)4
[C] Li–C4H9
[D] Na2 [Ni(CN)4]

Question No:7

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

Question No:8

The brown ring test for nitrites and nitrates is due to the formation of a complex ion with formula :-

[A] [Fe(H2 O5) NO+]2+
[B] [Fe(H2 O) 6] 2+
[C] [Fe(H2 O)(NO) 5 ] 2–
[D] [Fe(NO)(CN) 5] 2+

Question No:9

In a ferric salt on adding KCN a Prussian blue is obtained which is :-

[A] K3[Fe(CN)6]
[B] Fe3 [Fe(CN)6]4
[C] FeSO4[Fe(CN)6]
[D] Fe4[Fe(CN)6]3

Question No:10

Tollen’s reagent is :-

[A] [Ag(NH3)2] +
[B] Ag2O
[C] Al(OH) 3
[D] [Au(CN) 2]

Question No:11

Nessler’s reagent is :-

[A] K2HgI4
[B] K2HgI4 + KOH
[C] K2HgI2+ KOH
[D] K2HgI4 + Hg

Question No:12

Hypo is used in photography because it is :-

[A] A strong reducing agent
[B] A strong oxidising agent
[C] A strong Complexing agent
[D] Photo sensitive Compound

Question No:13

The image on an exposed and developed photography film is due to :-

[A] AgBr
[B] [Ag(S2O3)2]3+
[C] Ag
[D] Ag2 O

Question No:14

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–

Question No:15

A compound which is used in photography is :-

[A] AgCl
[B] AgBr
[C] AgNO3
[D] Ag2CO3