Metal reacts with sulphur to give

Aniline reacts with sulphuric acid to give :

Diethyl amine reacts with sulphuric acid to give

A halogen (x) reacts with sulphur gives a compound (y) .(y) reacts with ethylene to give Mustard gas . Then

When the hydride of basic metal, reacts with water, it gives .

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?