Question 73 of 87

In the reaction

xBrO3- + yCr+3 + zH2Br2 + CrO4-2 + H+

the coefficients x,y,z are respectively ?

(1) 6, 10, 11

(2) 6, 10, 20

(3) 6, 8, 22

(4) 6, 10, 22