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JEE Coordination Compounds PYQs with Solutions

33 previous year questions from Coordination Compounds (JEE Main & Advanced NSEC) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

33 questionsNSECAnswers + solutions

About Coordination Compounds PYQs

Coordination Compounds has 33 previous year questions in the Quantrex Academy JEE Main & Advanced NSEC bank. The 33 questions in this list come from Olympiad workbook (33). Each question opens on its own page with the options, the correct answer and the worked solution where available.

Coordination Compounds questions with solutions

1

How many isomers are possible for complex [Co(ox)_2 Cl_2]^ + ?

Olympiad workbook Solution View → 2

Which one of the following reactions is correct?

Olympiad workbook Solution View → 3

Which of the following statements about ammonium cerium(IV) nitrate, (NH_4)_2 [Ce(NO_3)_6] is false?

Olympiad workbook Solution View → 4

Cyanide ion is a very good complexing agent and also functions as a reducing agent. Hence many cyanide complexes of metals are known. Addition of an aqueous solution of KCN to a

Olympiad workbook Solution View → 5

Which of the complexes has the magnetic moment of 3.87 B.M.?

Olympiad workbook Solution View → 6

IUPAC name of the complex ion [CrCl_2(ox)_2]^ 3- is

Olympiad workbook Solution View → 7

The type/s of isomerism that Co(NH_3)_4 Br_2 Cl can exhibit is/are

Olympiad workbook Solution View → 8

Metal 'M' forms a carbonyl compound in which it is present in its lower valance state. Which of the following bonding is possible in this metal carbonyl?

Olympiad workbook Solution View → 9

The complex ion that does not have d electrons in the metal atom is

Olympiad workbook Solution View → 10

The complex [M(en)(Br)_2(Cl)_2] has two optical isomers. Their configurations can be represented as

Olympiad workbook Solution View → 11

The observed effective magnetic moment of two octahedral complexes, K_4[Mn(CN)_6] .3 H_2 O(X) and K_4[Mn(SCN)_6](Y) are 2.18 BM and 6.06 BM , respectively. Which of the following

Olympiad workbook Solution View → 12

The IUPAC name of the complex [Pt(en) (NH _ 3 )( Cl)_2( ONO)][Ag(CN)_2] is

Olympiad workbook Solution View → 13

The C-O bond length is the shortest in

Olympiad workbook Solution View → 14

The spin-only magnetic moments of [Fe(NH_3)_6]^ 3+ and [FeF_6]^ 3- (in units of BM ) respectively are

Olympiad workbook Solution View → 15

The number of stereoisomers is maximum for

Olympiad workbook Solution View → 16

MnCl_2 .4 H_2 O (molar mass =198 ~g ~mol^ -1 ) when dissolved in water forms a complex of Mn^ 2+ . An aqueous solution containing 0.400 g of MnCl_2 · 4 H_2 O was passed through a

Olympiad workbook Solution View → 17

The alkene ligand (π-C_2 R_4) is both a ' σ ' donor and a ' π ' acceptor, similar to the CO ligand in metal carbonyls, and exhibits synergic bonding with metals. Correct order of

Olympiad workbook Solution View → 18

Among the following, the complex ion/s that will have a magnetic moment of 2.82 B.M. is /are I. [Ni(CO)_4] II. [NiCl_4]^ 2- III. [Ni(H_2 O)_6]^ 2+ IV. [Ni(CN)_4]^ 2-

Olympiad workbook Solution View → 19

The correct order of CFSE among [Zn(NH_3)_4]^ 2+ ,[Co(NH_3)_6]^ 2+ and [Co(NH_3)_6]^ 3+ is

Olympiad workbook Solution View → 20

In the gaseous state of Fe(CO)_5 , the 'd' orbital that would participate in hybridization is

Olympiad workbook Solution View → 21

The correct IUPAC name of the compound, [Pt(py)_4] [Pt(Br)_4] is

Olympiad workbook Solution View → 22

If Ni^ 2+ is replaced by Pt^ 2+ in the complex ion [NiCl_2 Br_2]^ 2- , which of the following would change? I. Magnetic moment II. Geometry III. Geometrical isomerism IV. Optical

Olympiad workbook Solution View → 23

The correct order of CFSE of the following complex ions is [Zn(NH_3)_4]^ 2+ ,[Co(NH_3)_6]^ 2+ ,[Co(NH_3)_6]^ 3+ ,[Ir(NH_3)_6]^ 3+

Olympiad workbook Solution View → 24

The number of stereoisomers is maximum for (ox=C_2 O_4 ^ 2- )

Olympiad workbook Solution View → 25

The number of all the possible geometrical isomers for trigonal bipyramidal OsO_2 ~F_3^ + cation is:

Olympiad workbook Solution View → 26

The correct IUPAC name for the complex [Au(en)_2 (H_2 O)_2][Au(ox)_3] is (en=ethylenediamine and ox=oxalate )

Olympiad workbook Solution View → 27

The correct order for the wavelength of absorption in the following complex ions is

Olympiad workbook Solution View → 28

Using different reaction conditions nickel reacts with (p) Cl^ - ,(q) CN^ - ,(r) CO and (s) small amount of Al. Choose incorrect statement.

Olympiad workbook Solution View → 29

The correct IUPAC name of potassium permanganate is:

Olympiad workbook Solution View → 30

The ligand with which the homoleptic octahedral complex of Co^ 3+ will be most stable is:

Olympiad workbook Solution View → 31

The cobalt complexes (I) and (II) given below are examples of

Olympiad workbook Solution View → 32

The magnetic moment (in units of BM) of copper in [Cu(H_2 O)_4]^ 2+ and [Cu(NH_3)_4]^ 2+ respectively is:

Olympiad workbook Solution View → 33

Crystalline iron(III) nitrate nonahydrate, Fe(NO_3)_3 · 9 H_2 O , has a very pale violet colour. When added to water, the crystals dissolve to form a brown solution. Treatment of

Olympiad workbook Solution View →
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Main Coordination Compounds list

The larger JEE Coordination Compounds list is under Chemistry (715 questions).

Related JEE NSEC chapters

Some Basic Concepts of Chemistry (60)Electrochemistry (52)Thermodynamics (C) (50)Structure of Atom (50)General Organic Chemistry (44)Chemical Kinetics (42)Chemical Bonding and Molecular Structure (34)Hydrocarbons (29)Solid State (22)Ionic Equilibrium (20)Alcohols Phenols and Ethers (19)Solutions (18)

Coordination Compounds in other exams

NEET Coordination Compounds (891)BITSAT Coordination Compounds (35)