Question

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer.
`[Cu(en)_2]^(2+)` is more stable than `[Cu(NH_3)_2]^(2+)` ltReason : Ethylene diamine is a `pi`-bonded complex .
A. If both assertion and reason are correct and reason is correct explanation for assertion .
B. If both assertion and reason are correct but reason is not correct explanation for assertion .
C. If assertion is correct but reason is incorrect
D. If both assertion and reason are incorrect

Answer 1

Correct Answer - b
Correct explanation : `[Cu(en)_2]^(2+)` is a chelate while `[Cu(NH_3)_2]^(2+)` is not.