Consider the following reaction

Question

Which one of the following statements is true for $\underline {X}$

(I) It gives propionic acid on hydrolysis

(II) It has an ester function

(III) It has a nitrogen linked to ethyl carbon

(IV) It has a cyanide group

 

$$\begin {array} {1 1} (1)\;IV & \quad (2)\;III \\ (3)\;II & \quad (4)\;I \end {array}$$