Question

Which one of the following is a redox reaction?
(A) H, +Br, → 2HBr
(B) 2NaCl + H2SO4 → Na2SO4 + 2HCl
(C) HCl + AgNO3 → AgCl + HNO3
(D) NaOH + HCl → NaCl + H2O​

Answer 1

Answer:

Option b is an redox reaction

Explanation:

This is because nacl is reduced and h2so4 is oxidised

Answer 2

Answer:

(D)NaOH+HCI_NaCI+H,2O