Question

Heating sodium chloride with conc.$H_{2}S{O}_4$ gives.

• A. Sodium sulphite
• B. Sodium bisulphate and $H_{2}S{O}_4$
• C. Sodium bisulphate and HCl
• D. Reaction does not occur

Answer 1

The correct option is C Sodium bisulphate and HCl

When sodium chloride is heated with concentrated sulphuric acid in a round bottom flask it gives sodium bisulphate and hydrochloric acid.
$NaCl+H_{2}S{O}_4\stackrel{{150}^{0}C}{\to }NaHS{O}_4+HCl$
Hence option (c) is the correct answer.