Question

when so2 is passed through pot.iodate solution,the oxidation no. of iodine changes from a. +5 to 0 b.+5 to -1 c.-5 to 0 d.+7 to -1​

Answer 1

KIO3+SO2~~>>k2so4 +I2 +2O2

o. s of I2 is changed from +5 to 0

a is ans