MCQ
$S{O_2}$ is obtained when
- AOxygen reacts with dilute sulphuric acid
- BHydrolysis of dilute ${H_2}S{O_4}$
- CConcentrated ${H_2}S{O_4}$ reacts with $N{a_2}S{O_3}$
- ✓Both (b) and (c)
✓
Answer
Correct option: D.
Both (b) and (c)
d
(d) $\mathop {N{a_2}S{O_3}}\limits_{(S)} + \mathop {{H_2}S{O_4}}\limits_{(aq)} \, \to \,\mathop {N{a_2}S{O_4}}\limits_{(aq)} + \mathop {{H_2}O}\limits_{(l)} + \mathop {S{O_2}}\limits_{(g)} $
(d) $\mathop {N{a_2}S{O_3}}\limits_{(S)} + \mathop {{H_2}S{O_4}}\limits_{(aq)} \, \to \,\mathop {N{a_2}S{O_4}}\limits_{(aq)} + \mathop {{H_2}O}\limits_{(l)} + \mathop {S{O_2}}\limits_{(g)} $
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