Identify the product X in the following reaction.

Sodium propanoate $\xrightarrow[\Delta]{\text { soda-lime }} \mathrm{X}+$ sodium carbonate

Which from following reactions is not possible for benzene due to reversible nature?

Identify the product 'B' in the following reaction.

Toluene $\xrightarrow[\mathrm{CS}_2]{\text { Chromylchloride }} \mathrm{A} \xrightarrow{\mathrm{H}_3 \mathrm{O}^{+}} \mathrm{B}$

Which of the following is obtained on oxidation of prop-1-ene with acidic $\mathrm{KMnO}_4$ ?