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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)

S solutionqc

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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