Given below are two statements, one is labeled as Assertion (A) and other is labeled as Reason (R).
Assertion (A) : Shape of ${[N i (C N)_{4}]}^{2 -}$ and $[N i (CO)_{4}]$ are square planar and tetrahedral respectively.
Reason (R) $N i^{2 +}$ ion does not form inner orbital octahedral complex.
In the light of the above statements, choose the most appropriate answer from the options given below.

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Both A and R are correct but R is not the correct explanation of A

A is correct but R is incorrect

A is incorrect but R is correct

Both A and R are correct and R is correct explanation of A

answer is A.

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Detailed Solution

${[N i (C N)_{4}]}^{2 -} \to Square planar$

$[N i (C O)_{4}] \to Tetrahedral$

$3 d^{8}$ configuration, Question Image

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