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Which of the following complex acts as g...

Which of the following complex acts as good reducing agent ?

A

`[Cu(NH_(3))_4]^(2+)`

B

`[Ag(NH_(3))_(2)]^(+)`

C

`[Fe(CN)_(6)]^(3-)`

D

`[Co(NO_(2))_(6)]^(4-)`

Text Solution

Verified by Experts

The correct Answer is:
D
(d) `[Co(NO_(2))_(6)]^(4-)to[Co(NO_(2))_(6)]^(3-)+e^(-)`
(Good R.A.) ltbr. Electron is removed from 5s-orbital
(TRANSFERENCE from 3d to 5s )
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