Test SeriesFree PYQsExamsPricing

MHT CET Chemistry question

ChemistryThe p-Block ElementsMHT CET

To neutralise completely 20 mL of 0.1 aqueous solution of phosphorous acid (), the volume of 0.1 aqueous KOH solution required is :

Answer: (C)

Solution

H₃PO₃ is dibasic, so 20 mL of 0.1 M gives 4 meq H⁺, which needs 4 mmol KOH = 40 mL of 0.1 M KOH;

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-041185