Which of the following ethers is formed from the reaction of an alcohol with diazomethane?

Which of the following reactions will not yield an alkyl halide?

Match the products of the reaction with anisole in Column-$I$ with the reagents in Column-$II$. Find the correct reagent for the product in Column-$I$ from Column-$II$.

Column-$I$ (Product)	Column-$II$ (Reagent)
$A$. Mainly $p$-bromoanisole	$i$. Anhydrous $AlCl_3$,$CH_3COCl$
$B$. $4$-nitroanisole	$ii$. $CH_3Cl$,anhydrous $AlCl_3$ in $CS_2$
$C$. $4$-methoxytoluene	$iii$. $Br_2$ in ethanoic acid
$D$. $4$-methoxyacetophenone	$iv$. Mixture of conc. $H_2SO_4$ and $HNO_3$

Predict the major products for the following reaction:
$\text{Cyclohexyl-O-C(CH}_3)_3 \xrightarrow{HI \text{ (excess)}, \Delta} ?$

Which of the following compounds will $NOT$ yield benzoic acid upon oxidation with alkaline $KMnO_4$ followed by heating?

Which of the following compounds when heated with $CO$ at $150^{\circ} C$ and $500 \ atm$ pressure in the presence of $BF_3$ forms ethyl propionate?