See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

2 nr n  AITS-FT-VIII (Paper-1)-PCM(Sol.)-JEE(Advanced)/22 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 9 But n n n r 1 r r 1        2 2 2 n 1 n n 1     n = 4