When an alkyl halide is allowed to react with a sodium alkoxide,the product most likely is:

What are $A$ and $B$ respectively in the following reaction?
$(CH_3)_3C-OCH_3 + HI \rightarrow A + B$

The major product in the following conversion is

In Williamson synthesis,ethoxyethane is prepared by:

Which of the following cannot be prepared by Williamson synthesis?

An organic compound with the molecular formula $C_4H_{10}O$ does not react with sodium metal. Upon reaction with excess $HI$,it yields only two types of halides. Identify the compound.