Question

In which of the following respective volume rains should 0.1 M NH,OH soiuton A 0.1 M HCI soiuton bemixed,'so that the resulting solution behaves like a buffer solution ?

• A. $1:1$
• B. $2:1$
• C. $1:2$
• D. No such volume ratio is possible

Answer 1

The correct option is B $2:1$

$0.1M$ $N{H}_{4}OH$ solution and $0.1M$ $HCl$ acts as buffer solution when it is mixed in the ratio $2:1$ volume rains, because weak base should be more to act as buffer.