Which of the following will not produce acetamide upon reaction with ammonia?

Number of compounds from the following which will not dissolve in cold $NaHCO_3$ and $NaOH$ solutions but will dissolve in hot $NaOH$ solution is $........$.

$X$ is heated with soda lime and gives ethane. $X$ is

The decreasing order of acid strengths for the following compounds is: $Ph-OH$ $(A)$,$Ph-CH_2-OH$ $(B)$,$Ph-CO_2H$ $(C)$,$Ph-CH_2-NH_3^+$ $(D)$

The distinguishing test between methanoic acid and ethanoic acid is

Given below are two statements :
Statement $I :$ The esterification of carboxylic acid with an alcohol is a nucleophilic acyl substitution.
Statement $II :$ Electron withdrawing groups in the carboxylic acid will increase the rate of esterification reaction.
Choose the most appropriate option