Question

Which liberates $SO_2$ with dil. $H_2SO_4$ ?

• A. $Na_2SO_4$
• B. $NaHSO_4$
• C. $Na_2SO_3$
• D. $Na_2S$

Answer 1

Answer: (C)

$Na_2SO_3$

Answer 2

Answer (c) $Na_2SO_3$