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Addition of excess aqueous ammonia to a ...

Addition of excess aqueous ammonia to a pink coloured aqueous solution of `` and `` 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 coloured complex Z. The calculated spin only magnetic moment of X and Z is 3.87 B.M whereas it is zero for complex Y. Among the following options , which statement(s) is(are) correct ?

A

The hybridisation of the central metal ion in Y is `d^(2)sp^(3)`

B

Addition of silver nitrate to Y gives only two equivalents of silver chloride

C

When X and Z are in equilibrium at `0^(@)`C , the colour of the solution is pink

D

Z is a tetrahedral complex.

Text Solution

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The correct Answer is:
a,c,d
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