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CBSE Class 12-science Answered

Plz answer
Asked by | 03 May, 2008, 07:26: PM
answered-by-expert Expert Answer

Let the amount  of Ni+3  ion be x

So amount of Ni+2 ion is 0.98-x.

Now after balancing the charge and considering oxygen to be in -2 state:

we get the equation as,

3 x + 2(0.98-x)=2

On solving x=0.04.

So fraction of Ni+3 =0.04/0.98=0.041

And fraction of Ni+2  =1-0.041=0.959

Answered by | 13 Jun, 2008, 08:26: PM
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