See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Ortho-hydrogen has proton of parallel spin and magnetic moment of para form is zero, while ortho has twice that of proton. Percentage of para-hydrogen increases with decrease in temperature and at room temperature ortho-hydrogen is more stable than para-hydrogen. AITS-FT-VII-PCM(Sol.)-JEE(Main)/20 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 9