HARDMCQ SINGLEJEE Mains ChemistryPhysical ChemistryMole _ Equivalent ConceptAchiever Section

100 mL of mixture of NaOH and Na2SO4 is neutralised by 10 mL of 0.5 M H2SO4. Hence, NaOH in 100 mL solution is

A.0.2 g

B.0.4 g✓ Correct

C.0.6 g

D.None

Explanation

Sodium sulphate is neutral, therefore, NaOH is neutralized by sulphuric acid only. Equivalents of NaOH= Equivalents of Sulphuric acid 3 2 1000 100 1 10 10 0.5 2 40 100 1000 40 10 0.4 w W g x xx x x x x x

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