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}} $



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