See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

There is a large jump from I.E3 which means the atom contains two valence electron. It’s valency is 2 Let the atom is M So formula of it’s oxide = MO Molar mass = 39.8 + 16 = 55.8 g mol–1 AITS-FT-XVI-PCM(Sol.)-JEE(Main)/2021 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 10