MCQ
For ${C_6}{H_5}CHO$ which of the following is incorrect
- AOn oxidation it yields benzoic acid
- BIt is used in perfumery
- CIt is an aromatic aldehyde
- ✓On reduction yields phenol

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$(a)$ $K_2PtCl_6$ $(b)$ $PtCl_4 . 2NH_3$
$(c)$ $PtCl_4 . 3NH_3$ $(d)$ $PtCl_4 . 5NH_3$
Their electrical conductances in aqueous solutions are