A) \[\text{NaCl}\,\text{+}\,\text{HN}{{\text{O}}_{\text{3}}}\]
B) \[\text{Mn}{{\text{O}}_{\text{2}}}\text{+}\,\text{HCl}\]
C) \[\text{KMn}{{\text{O}}_{\text{4}}}\text{+}\,\text{HCl}\]
D) \[\text{HCl}\,\text{+}\,\text{HN}{{\text{O}}_{\text{3}}}\]
Correct Answer: B
Solution :
Scheele discovered chlorine by oxidizing hydrochloric acid with manganese dioxide \[4HCl+Mn{{O}_{2}}\xrightarrow{{}}2C{{l}_{2}}+MnC{{l}_{2}}+2{{H}_{2}}O\]
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