See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

      2 4 3 2 1 NH NO N O 2H O    4 2 7 2 2 2 3 2 0 NH Cr O N 4H O Cr O         3 2 2 2 4 Hg NO Hg 2NO O          4 4 2 3 3 2 3 Na NH HPO .4H O NaPO NH 5H O      +1 + 0 + 4 – 3 = (+ 2) AITS-FT-I –PCM(Sol.)-JEE(Main)/19 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 10