MCQ
Benzoic acid and salicylic acid can be distinguished by
- A$FeCl_3$ solution
- BLitmus paper
- C$Br_2$ water
- ✓Both $(1)$ and $(3)$
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Complex $-$ Number of unpaired electrons
$CoCl_3 \cdot 6NH_3, CoCl_3 \cdot 5NH_3,CoCl_3\cdot 4NH_3$ respectively is