JEE MAIN - Chemistry (2020 - 3rd September Morning Slot - No. 1)

An acidic buffer is obtained on mixing :
100 mL of 0.1 M HCl and 200 mL of 0.1 M CH3COONa
100 mL of 0.1 M HCl and 200 mL of 0.1 M NaCl
100 mL of 0.1 M CH3COOH and 100 mL of 0.1 M NaOH
100 mL of 0.1 M CH3COOH and 200 mL of 0.1 M NaOH

Explanation

JEE Main 2020 (Online) 3rd September Morning Slot Chemistry - Ionic Equilibrium Question 69 English Explanation

So finally we get mixture of

CH3COOH + CH3COONa that will work like acidic buffer solution.

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