Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The formula of nickel oxide is 
. What is the approximate percentage of 
in it?
Text Solution
Verified by ExpertsThe correct answer is:
C
Let there be 100 formula units of 
. Thus, for 
ions, there are 98 nickel ions 
or 
.
Let 
number of 
ions.
Number of 
ions 
.
For an electrically neutral compound:-
So, 
of 
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