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Coordination Compounds question

2017 · Shift 1 · Q5

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PYQ Library
JEE Advanced
Chemistry
Coordination Compounds
2017 · Shift 1 · Q5

Coordination Compounds question

2017 · Shift 1 · Q5

JEE AdvancedChemistryCoordination CompoundsMultiple correct+4 / −2

Addition of excess aqueous ammonia to a pink colored aqueous solution of

MC{l_2},6{H_2}O\left( X \right)

and

N{H_4}Cl

gives an octahedral complex

Y

in the presence of air. In aqueous solution, complex

Y

behaves as

1:3

electrolyte. The reaction of

X

with excess

HCl

at room temperature results in the formation of a blue colored complex

Z.

The calculated spin only magnetic moment of

X

and

Z

is

3.87B.M.,

whereas it is zero for complex

Y.

Among the following options, which statement(s) is (are) correct?

A
Addition of silver nitrate to $Y$ gives only two equivalents of silver chloride
B
The hybridization of the central metal ion in $Y$ is ${d^2}s{p^3}$
C
$Z$ is a tetrahedral complex
D
When $X$ and $Z$ are in equilibrium at ${0^ \circ }C,$ the color of the solution is pink

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