It gives propionic acid on hydrolysis

Consider the following reaction, C_(2)H_(5)CI+AgCNoverset(EtOH//H_(2)O)to X (major) which one of the following statements is true for underset( "__") X ? I . It gives propionic acid on hydrolysis II . It has an ester functional group III . It has a nitrogen linked to ethyl carbon IV. It has a cyanide group

Which of the following does not give benzoic acid on hydrolysis?