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