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STATEMENT-1: All the complexes of Pt (+s...

STATEMENT-1: All the complexes of Pt `(+squaresquare)` and Au `(+squaresquaresquare)` with strong field as well as with weak field ligands are square planar.
STATEMENT-2 : The crystal filed spliting energy is larger for secong and third row transition elements, and for more highly charged species. This large value of crystal field splitting enerfy energetically favours the pairing of electron for square planar geometry.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation for statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explation for statement-1

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is True.

Text Solution

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(A)
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Square planar complexes are generally formed by d^(8) ions with strong field ligands. The crystal field splitting is larger for second and third row transition elements and for more highly charged species. All the complexes having 4d^(8)" and "5d^(8) configuration are mostly square including those with weak field ligands such halide ions. Square planar complexes with coordination number four can show diastereoisomerism. Amongst the following complexes which has square planar geometry ?