Which of the following is not a product of the reaction shown below?
$Ph-O-C_6H_{11} + PCl_5 \rightarrow \text{Products}$

Which of the reactants given below is/are suitable for the preparation of Methoxybenzene?
$(x)$ $C_6H_5Br + CH_3ONa$
$(y)$ $C_6H_5ONa + CH_3Br$

Which of the following reactions will give ether as the major product?

Diethyl ether finds use in medicine as

The following is not an appropriate reaction for the preparation of $t$-butyl ethyl ether:
$C_2H_5ONa + CH_3-C(CH_3)_2-Cl \to CH_3-C(CH_3)_2-O-C_2H_5$
$(i)$ What would be the major product of this reaction?
$(ii)$ Write a suitable reaction for the preparation of $t$-butyl ethyl ether.

The major products formed in the reaction of $t$-butyl methyl ether with $HI$ are