EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 12th January 2019 Shift 1>Q 90

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JEE Main

IMPORTANT

Earn 100

$M n_{2} {(C O)}_{10}$ is an organometallic compound due to the presence of:

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Important Questions on Coordination Compounds

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 12th April 2019 Shift 2>Q 91

The coordination numbers of

C o

and

A l

in

[C o (C l) {(e n)}_{2}] C l

and

K_{3} [A l {(C_{2} O_{4})}_{3}],

respectively are:
(en

=

ethane-1, 2-diamine)

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 12th April 2019 Shift 2>Q 92

The compound used in the treatment of lead poisoning is:

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 12th April 2019 Shift 1>Q 93

The complex ion that will lose its crystal field stabilization energy upon oxidation of metal to

+ 3

state is:

Question Image

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JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 12th April 2019 Shift 1>Q 94

Complete removal of both the axial ligands (along the

z - a x i s

) from an octahedral complex leads to which of the following splitting patterns? (relative orbital energies not on scale).

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 11th April 2015>Q 95

Which of the following complex ions has electrons that are symmetrically filled in both

t_{2 g}

and

e_{g}

orbitals?

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 11th April 2015>Q 96

When concentrated

HCl

is added to aqueous solution of

C o C l_{2}

, its colour changes from reddish pink to deep blue. Which complex ion gives blue colour in reaction?

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 10th January 2019 Shift 2>Q 97

A reaction of cobalt

(III)

chloride and ethylenediamine in a

1 : 2

mole ratio generates two isomeric products

A

(violet-coloured) and

B

(green-coloured).

A

can show optical activity, but,

B

is optically inactive. What type of isomers do

A

and

B

represent?

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 20 - Coordination Compounds>JEE Main - 10th January 2019 Shift 2>Q 98

The electrolytes usually used in the electroplating of gold and silver, respectively, are: