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Chemistry-Crystal Field Theory

NEET Chemistry Crystal Field Theory Assertion Reason Question

Type: Assertion Reason-assertion-Easy-Class 12

Assertion (A): The geometry of [MnBr4]2– is tetrahedral.

Reason (R): The presence of five unpaired electrons in the d orbitals results in a high magnetic moment.

A

Both A and R are true and R is the correct explanation of A.

B

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

C

A is true but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

According to the given context, [MnBr4]2– has a magnetic moment of 5.9 BM due to five unpaired electrons, indicating a tetrahedral geometry.

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