EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 25 Feb 2021 Shift 2>Q 70

MEDIUM

JEE Main

IMPORTANT

Earn 100

Given below are two statements:
Statement I : The identification of ${Ni}^{2 +}$ is carried out by dimethyl glyoxime in the presence of ${NH}_{4} OH$ .

Statement II :The dimethyl glyoxime is a bidentate neutral ligand.

In the light of the above statements, choose the correct answer from the options given below:

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Important Questions on Coordination Compounds

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 25 Feb 2021 Shift 1>Q 71

The hybridization and magnetic nature of

{[Mn {(CN)}_{6}]}^{4 -}

and

{[Fe {(CN)}_{6}]}^{3 -},

respectively are :

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 24 Feb 2021 Shift 2>Q 72

The calculated magnetic moments (spin only value) for species

{[{FeCl}_{4}]}^{2 -}, {[Co {(C_{2} O_{4})}_{3}]}^{3 -}

and

{MnO}_{4}^{2 -}

respectively are:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 20 July 2021 Shift 2>Q 73

Spin only magnetic moment of an octahedral complex of

{Fe}^{2 +}

in the presence of a strong field ligand in BM is:

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 20 July 2021 Shift 2>Q 74

Which one of the following species doesn't have a magnetic moment of

1.73 BM,

(spin only value)?

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 20 July 2021 Shift 2>Q 75

An aqueous solution of

{NiCl}_{2}

was heated with excess sodium cyanide in presence of strong oxidizing agent to form

{[Ni (CN)_{6}]}^{2 -} .

The total change in number of unpaired electrons on metal centre is ___________.

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 20 July 2021 Shift 1>Q 76

The correct order of intensity of colors of the compounds is:

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 2 September 2020 Shift 2>Q 77

Simplified absorption spectra of three complexes ((i) and (ii) and (iii)) of $M^{+ n}$ ion are provided below; their $λ_{\max}$ values are marked as $A, B$ and $C$ respectively. The correct match between the complexes and their $λ_{\max}$ values is:

Question Image

(i) ${[M (NCS)_{6}]}^{(- 6 + n)}$
(ii) ${[{MF}_{6}]}^{(- 6 + n)}$
(iii) ${[M {({NH}_{3})}_{6}]}^{n +}$

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 2 September 2020 Shift 2>Q 78

The one that is not expected to show isomerism is: