P-Block Elements Ques 447
Question: $ SO_2 $ is obtained when
[Roorkee 1995]
Options:
A) Oxygen reacts with dilute sulphuric acid
B) Hydrolysis of dilute $ H_2SO_4 $
C) Concentrated $ H_2SO_4 $ reacts with $ Na_2SO_3 $
D) All of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \underset{(S)}{\mathop{Na_2SO_3}}+\underset{(aq)}{\mathop{H_2SO_4}}\to \underset{(aq)}{\mathop{Na_2SO_4}}+\underset{(l)}{\mathop{H_2O}}+\underset{(g)}{\mathop{SO_2}} $
