Question

Which Combination of equal volumes of
solution will result in buffer solution
1) 0.1 M HCl and 0.2M NH3
2) 0.2 M NaOH and 0.1M HNO2
3) 0.1 M HCl and 0.1M NH3
4) 0.1 M NaOH and 0.2M HCl

Answer 1

Answer:

In 0.1 mol dm

−3

NH

4

OH and 0.05 mol dm

−3

HCl, total amount of HCl reacts with NH

4

OH to form NH

4

Cl and some NH

4

OH will be left unreacted. Thus, the resultant solution contains NH

4

Cl and NH

4

OH which will produce a buffer solution.