JEE Main 2016 Chemistry question

The volume of 0.1 M strong dibasic acid sufficient to neutralize 1g of a base that furnishes 0.04 mole of in aqueous solution is :

(1)400 mL
(2)600 mL
(3)200 mLCorrect
(4)800 mL

Answer: (3)

Solution

Neutralisation requires equal numbers of equivalents of acid and base. The base supplies mol of , that is equivalents. A **dibasic** acid furnishes two per molecule, so its normality is twice its molarity:

N = 2

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Question ID VK-115620