Question

During oxidation of 4 moles of Sulphur dioxide what will be the value for An​

Answer 1

Answer:

every mole of SO2 requires 1 extra mole of O (or half a mole of O2) to produce SO3 and and since there are 4 moles of SO2 then you'll need 4 moles of O (2 moles of O2) thus the answer should be 2 moles of oxygen are required