KVPY PROBLEMS (PREVIOUS YEARS)

Among the compounds $\mathrm{I}-\mathrm{IV}$, the compound having the lowest boiling point is:

Major products formed in the reaction of tert-butyl methyl ether with $\mathrm{HI}$ are:

The structure of the polymer obtained by the following reaction is:

The major product of the reaction between ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{ONa}$ and ${\left({\mathrm{CH}}_3\right)}_3\mathrm{CCl}$ in ethanol is

The reaction of $\mathrm{D}-$glucose with ammoniacal ${\mathrm{AgNO}}_3$ produces:

The reagents required for the following two-step transformation are:

In electrophilic aromatic substitution reactions of chlorobenzene, the ortho/para-directing ability of chlorine is due to its:

Upon reaction with ${\mathrm{CH}}_3\mathrm{MgBr}$ followed by protonation, the compound that produces ethanol is: