Teaching HSSC TGT 2023 Mock Test (Latest Pattern) General Science Chemistry States of Matter

Formula of nickel oxide with metal deficiency defect in its crystal is Ni0.98O. The crystal contains Ni2+ and Ni3+ ions. The fraction of nickel existing as Ni2+ ions in the crystal is -

1
0.50
2
0.31
3
0.96
4
0.04
5
Not Attempted
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