Question

7. The valency of cuprous and cupric ions are
a. +1 and +2 respectively
b. +2 and +3 respectively
c. +3 and +4 respectively
d. +1 and +3 respectively
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Answer 1

Answer:

The valency of cuprous is +1 and that of cupric is +2.

Hence, the answer is (a).

Answer 2

Answer:

option a is correct

Explanation:

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