4 questions from 2021
Match List - I with List II :Choose the most appropriate answer from the options given below
\( 1.86 \, \text{g} \) of aniline completely reacts to form acetanilide. \( 10\% \) of the product is lost during purification. Amount of acetanilide obtained after purification (in \( \text{g} \)) is _______ \( \times 10^{-2} \).
Consider the sulphides \( \mathrm{HgS} \), \( \mathrm{PbS} \), \( \mathrm{CuS} \), \( \mathrm{Sb_2S_3} \), \( \mathrm{As_2S_3} \) and \( \mathrm{CdS} \). Number of these sulphides soluble in \( 50\% \) \( \mathrm{HNO_3} \) is _________ .
Match List-I with List-II :
