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JEE Main Chemistry Class 12 Co-ordination Compounds Part 3 Questions

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Question : 43

Total: 82

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 and Fe(CO)5, the metals have zero oxidation state.
Reason R : Low oxidation states are found when a complex has ligands capable of π-donor character in addition to the σ-bonding.
In the light of the above statements, choose the most appropriate answer from the option given below.

[6-Apr-2023 shift 2]

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

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