JEE Main 2021 Chemistry question

ChemistryRedox ReactionsJEE Main 2021

The reaction of sulphur in alkaline medium is the below S_{8(S)}+aOH^-_{(aq)}\to bS^{2-}_{(aq)}+cS_2O_3^{2-}_{(aq)}+dH_2O_{(l)}. The values of 'a' is . (Integer answer)

Answer: 12

Solution

Question ID VK-020438