1.41 Please find question below
1.41 Please find question below
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1 Answer
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Analysis shows that nickel oxide has the formula Ni0.98 O1.00. What fractions of nickel exist as Ni2+ and Ni3+ ions?
1.41 It is given that nickel oxide has the formula as Ni0.98 O1.00.
As per the formula, there are 98 Ni ions for 100 oxide ions.
Out of 98 Ni ions, let x ions be in +2 oxidation state98? x ions will be in +3 oxidation state.
Oxide ion has ?2 charge.
To maintain electrical neutrality, total positive charge on cations = total negative charge on anions.
2x+3 (98? x)+100 (?2)=0x=94
Fraction of Ni2+ ions = 94/98 = 0.96
Fraction of Ni2+ ions = 98-94/98 = 0.04
Hence, the fractions of nickel that exists as Ni2+ and Ni3+ are 0.96 a
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