Question

Choose the correct option regarding the solubility of salts A and B formed in the reactions given below.
$2{\mathrm{NaHSO}}_3\left(s\right)+\mathrm{HCl}\left(\mathrm{aq}\right)\to \mathrm{Salt}A+H_{2}O\left(g\right)+{\mathrm{SO}}_2\left(g\right)$
${\mathrm{CO}}_2\left(g\right)+\mathrm{CaO}\left(s\right)\to \mathrm{Salt}B$

• A. A:insoluble ; B:soluble
• B. A:soluble ; B: insoluble
• C. A:soluble ; B:soluble
• D. A: insoluble ; B: insoluble

Answer 1

The correct option is B A:soluble ; B: insoluble