Which of the following substances will not give a brick-red precipitate with Fehling's solution?

Match the compounds given in List-$I$ with List-$II$ and select the suitable option using the code given below.

List-$I$	List-$II$
$A$. Benzaldehyde	$i$. Phenolphthalein
$B$. Phthalic anhydride	$ii$. Benzoin condensation
$C$. Phenyl benzoate	$iii$. Oil of wintergreen
$D$. Methyl salicylate	$iv$. Fries rearrangement

Which of the following statements is wrong?

Which of the following reagents converts phenyl methyl ketone into ethylbenzene?

Formalin is the commercial name of

You have two $C_6H_{10}O$ ketones,$I$ and $II$. Both are optically active,but $I$ is racemized by treatment with acid and $II$ is not. Wolff-Kishner reduction of both ketones gives the same achiral hydrocarbon,formula $C_6H_{12}$. What reasonable structures may be assigned to $I$ and $II$ respectively?