JEE Main Chemistry question
Three moles of , three moles of , and two moles of are taken in a closed vessel. If at equilibrium the vessel has 1.5 moles of , the number of moles of present in it is
Answer: (D)
Solution
decreased from 3 to 1.5 mol (further dissociation by 1.5 mol), so increases by 1.5 mol: mol.