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If nickel oxide has the formula Ni0.98O,...

If nickel oxide has the formula `Ni_0.98O`, then what fraction of nickel exists as `Ni^(3+)` ?

A

0.94

B

0.959

C

0.98

D

0.02

Text Solution

Verified by Experts

The correct Answer is:
B

charge Balancing
`x xx2+(0.98-x)xx3=2`
`2x+2.94-3x=2`
`-x=-0.94`
`x=0.94`
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