JEE Main 2021 Chemistry question

(A) (B) Choose the correct option.

• (A) acts as reducing and oxidising agent respectively in equation (A) and (B)
• (B) acts as oxidising agent in equation (A) and (B)
• (C) acts as reducing agent in equation (A)and (B)Correct
• (D) act as oxidizing and reducing agent respectively in equation (A) and (B)