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Analysis show that nickel oxide consists...

Analysis show that nickel oxide consists of nickel ion with `96%` ions having `d^(8)` configuration and `4%` having `d^(7)` configuration. Which amongst the following best represents the formula of the oxide?

A

`Ni_(1.02)O_(1).00`

B

`Ni_(0.96) O_(1.00)`

C

`Ni_(0.98)O_(0.98)`

D

`Ni_(0.98)O_(1.00)`

Text Solution

Verified by Experts

`d^(8)` implies `Ni^(2+)` and `d^(7)` implies `Ni^(2+)`
Hence 96% ions of `Ni^(2+)` and 4% ions of `Ni^(3+)` are present
Let x be no. of `O^(2-)` present in crystal
`implies 96xx2+4xx3-200x=0` [crystal is neutral]
`implies x= 1.02 `
So, the formula of crystal `=NiO_(1.02)` or `Ni_(0.98)O`
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