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Question

Which of the following is an oxidising agent?

A
Mn(CO)5
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B
Fe(CO)5
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C
Mn2(CO)10
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D
Fe2(CO)9
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Solution

The correct option is B Fe(CO)5

1. Oxidising agent means it undergoes reduction.

2. That is the complex which undergoes reduction so as to produce the most stable configuration will be the oxidising agent.

Mn(CO)5+e[Mn(CO)5]

oxidation state of Mn in [Mn(CO)5]=x+5(0)=x=1

EAN=Z±oxidation state +2 Coordination Number =25+1+2(5)=36

(which is the stable configuration of Kr)


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