Question

If in the given reaction, 3I₂ + OH- ----> IO_{​​​​​3}​​​​- + 5I-

2 moles of iodine are taken, then the ratio of iodate and iodine ions formed in the alkaline medium is?

A 1:5

B 3:5

C 5:1

D 5:3

Answer 1

3 Moles of I2 =1 mol of IO3 1 Moles of I2=1/3 mol of IO3 2 Moles of I2 =2/3 mol of IO3 (SIMILARLY OF 5I) do not get confused if - sign is there it's for confusion, just proceed like above :-) Ratio=1:5