A) \[Zn+2{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{3}}+2{{H}_{2}}O+2S{{O}_{2}}\]
B) \[Zn+2{{H}_{2}}S{{O}_{4}}\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}\]
C) \[Zn+2{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+S{{O}_{2}}+2{{H}_{2}}O\]
D) \[Zn+{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+{{H}_{2}}\]
Correct Answer: D
Solution :
Sodium carbonate on reaction with dilute nitric acid produces \[C{{O}_{2}}\]gas. This gas dissolves in water to produce carbonic acid whose pH is less than 7.
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