MCQMediumJEE Main 2023 · 6 April, Shift 1Ligands & Coordination Number

Chemistry Question from JEE Main 2023 · 6 April, Shift 1

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

Assertion A: In the complex Ni(CO)4\mathrm{Ni(CO)_4} and Fe(CO)5\mathrm{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 statements, 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.

Answer & step-by-step solution

Sign in to reveal the correct answer, the full step-by-step solution, and the common mistakes for this question.

Practice more Ligands & Coordination Number questions

Get unlimited AI-adaptive practice, mastery tracking, and an AI tutor that explains every step - free to start.

Related questions