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Which of the following states is strong ...

Which of the following states is strong reducing agent?

A

`Cr(+III)`

B

`Cr(+VI)`

C

`Mo(+VI)`

D

`Mo(+III)`

Text Solution

Verified by Experts

The correct Answer is:
D
`Cr^(+3)-3d^(3),Mo^(+3)-4d^(3)`
`Cr^(+6)-3d^(0),Mo^(+6)-4d^(0)`
Species having lesser oxidation state show reducing tendency. But in case of `Cr^(+3),Mo^(+3)`, due to bigger size of `Mo^(+3)`, it is more stronger reducing agent.
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