question_answer

Which one of the following is correct for the given chemical equations?

[A] \[{{H}^{2}}S+{{I}_{2}}\xrightarrow{{}}S+2HI\]

[B] \[Mn{{O}_{2}}+4HCl\xrightarrow{{}}MnC{{l}_{2}}+2{{H}_{2}}O+C{{l}_{2}}\]

A) Only [A] is a redox reaction but [B] is not.

B) Only [B] is a redox reaction but [A] is not.

C) \[{{H}_{2}}S\] is the reducing agent in [A], \[HCl\] is the oxidising agent in [B].

D) \[{{I}_{2}}\]is the oxidising agent in [A], \[Mn{{O}_{2}}\] is the oxidising agent in [B].

E) None of these