Question

In the following equation:
Cr2o7^-2 + 3H2SO3 + 5H+ --------> 2Cr3+ + 3HSO-4 + 4H2O ratio of equivalents of Cr2O7^-2 and H2SO3 is-
a) 1:3 b) 1:6. c) 6:1. d) 1:1 ​

Answer 1

Answer:

Cr2O72- + 5 H+ + 3 H2SO3 → 3 HSO4- + 2 (Cr)3+ + 4 H2O