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JEE Main Chemistry question

ChemistryElectrochemistryJEE Main

H is formed by electrolysis of aqueous brine solution. In an experiment 0.112 mL of H gas is formed at NTP. What is the pH after electrolysis of brine solution?

Answer: 9

Solution

At the cathode during brine electrolysis, , so each mole of H generated is accompanied by 2 moles of OH. Moles of H$_2 =

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Question ID VK-137289