See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Heat capacity at constant volume   v q E  AITS-FT-XVII-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 12 Heat capacity of constant pressure   p q H  H E nRT or H E nRT       n no.   of moles of gaseous products – no. of moles of gaseous reactants 12 15 3    H E 3