When glycerol is heated with $KHSO_4$,it gives:

Rank the following in the increasing order of rate of reaction with $HBr$.

Predict the product $(A)$ of the following reaction:

For the following reaction scheme,percentage yields are given along the arrows. $x \ g$ and $y \ g$ are the masses of $R$ and $U$,respectively. (Molar mass of $H$,$C$,and $O$ are $1$,$12$,and $16 \ g \ mol^{-1}$ respectively). $(1)$ The value of $x$ is $(2)$ The value of $y$ is.

Which of the following hydrocarbons reacts easily with $MeMgBr$ to give methane?

Which of the following compounds gives a positive Baeyer's test but does not form a white precipitate with ammoniacal silver nitrate solution?