MCQ
The strongest ortho - para and strongest meta - directing groups respectively are
- A$-\,NO_2$ and $-\,NH_2$
- B$-\,CONH_2$ and $-\,NH_2$
- C$-\,NH_2$ and $-\,CONH_2$
- ✓$-\,NH_2$ and $-NO_2$
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$2 Cu ^{2+}+4 X ^{-} \rightarrow Cu _2 X _2( s )+ X _2$
$2A{B_2}(g) \rightleftharpoons 2AB(g) + {B_2}(g)$
