A) \[C{{l}_{2}}\]
B) \[N{{H}_{3}}\]
C) \[{{N}_{3}}\]
D) \[{{H}_{2}}\]
Correct Answer: A
Solution :
Chlorine, the yellowish-green gas with sufocating odour is evolved when the solid sodium chloride mixed with manganese dioxide, is heated with concentrated \[{{H}_{2}}S{{O}_{4}}\]. \[NaCl+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}NaHS{{O}_{4}}+HCl\] \[Mn{{O}_{4}}+4HCl\xrightarrow{{}}MnC{{l}_{2}}+2{{H}_{2}}O+C{{l}_{2}}\]
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