Select the correct statement, for non stoichiometric cuprous oxide `Cu_(1.8)O`.
Select the correct statement, for non stoichiometric cuprous oxide `Cu_(1.8)O`.
A. `%` of `Cu^(2+)` in total copper is `11.11%`
B. `%` of `Cu^(1+)` in total copper is `11.11%`
C. It behaves like `p`-type semiconductor
D. Defect is metal deficiency defect
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Correct Answer - A::C::D
Say, number of `Cu^(2+)` ions `=x`
Number of `Cu^(+)` ions `=1.8-x`
`:.x xx 2+ (1.8-x)xx1=1xx2`
`x+1.8-x=2`
`=x=2-1.8`
`x=0.2`
`%` of `Cu^(2+)=0.2/1.8xx100=11.11`
`%` of `Cu^(1+)=88.89`
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