Which will make basic buffer?

  • Option 1)

    50 mL of 0.1 M NaOH + 25 mL of 0.1M CH3COOH

  • Option 2)

    100 mL of 0.1M CH3COOH + 100 mL of 0.1M NaOH

  • Option 3)

    100 mL of 0.1M HCl + 200 mL of 0.1M NH4OH

  • Option 4)

    100 mL of 0.1M HCl + 100 mL of 0.1M NaOH

Answers (1)

Basic Buffer is the solution which has salt & weak base.

\therefore \underset{200ml}{NH_4OH }+ \underset{100ml}{HCL} \longrightarrow \underset {salt}{NH_4Cl }+ H_2O +\underset{(weak\;base)}{ NH_4OH}

Option 3 is correct.


Option 1)

50 mL of 0.1 M NaOH + 25 mL of 0.1M CH3COOH

Option 2)

100 mL of 0.1M CH3COOH + 100 mL of 0.1M NaOH

Option 3)

100 mL of 0.1M HCl + 200 mL of 0.1M NH4OH

Option 4)

100 mL of 0.1M HCl + 100 mL of 0.1M NaOH

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