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In balancing the half reaction CN^(ө)r...

In balancing the half reaction
`CN^(ө)rarrCNO^(ө)`(skeltan)
The number of electrosn that must be added is

A

`1` on the right

B

`0`

C

`1` on the left

D

`2` on the right

Text Solution

Verified by Experts

The correct Answer is:
D
`CN^(ө)rarrCNO^(ө)+2e^(-)`
`x-3=-1, x-3-2=-1`
`x=2, x=4`
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