Direction for: In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements mark the correct answer as
Assertion: Oxidation state of \[Fe\] in \[Fe{{(CO)}_{5}}\] is zero. Reason: EAN of Fe in this complex is 36.A) If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
B) If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
C) If Assertion: is true but Reason: is false
D) If both Assertion: and Reason: are false
Correct Answer: B
Solution :
\[CO\] is a neutral ligand, thus oxidation state of \[Fe\] in \[Fe{{(CO)}_{5}}\] is 0. EAN of Fe = electrons of \[Fe+2\times \] electrons of ligands \[=26+2\times 5\] \[=36\] Hence, ReaJon is true but not correct explanation for Assertion:.
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