See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

2 4 2 4 2 2 2NaI 3H SO I 2NaHSO SO 2H O      2 4 4 NaCl H SO NaHSO HCl    2 4 4 2 2 Cu 2H SO CuSO SO 2H O     2 4 2 2 S 2H SO 3SO 2H O   