Question

D. The coefficients p, q, r, s in the reaction
pCr2O7^2-+qFe^2+ ==> rCr^3+sFe^3+H2O
respectively are :
a. 1, 2, 6, 6
b. 6, 1, 2,4
c. 1, 6, 2,6
d. 1,2,4,6​

Answer 1

Answer:

correct answer is C (1,6,2,6)

apply ion balancing method of redox reaction