MCQEasyJEE Main 2023 · 6 April, Shift 2Ligands & Coordination Number

Chemistry Question from JEE Main 2023 · 6 April, Shift 2

Given below are two statements: one is labelled as “Assertion A” and the other is labelled as “Reason R

Assertion A: In the complex Ni(CO)4\text{Ni(CO)}_4 and Fe(CO)5\text{Fe(CO)}_5, the metals have zero oxidation state.

Reason R: Low oxidation states are found when a complex has ligands capable of π\pi-donor character in addition to the σ\sigma-bonding.

In the light of the above statement, choose the most appropriate answer from the options given below.

  • A

    A is not correct but R is correct.

  • B

    A is correct but R is not correct.

  • C

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

  • D

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

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