You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Chemistry

Law of Mass Action

50mL of 0.2...

Question

$50$ mL of $0.2$ M ammonia solution is treated with $25$ mL of $0.2$ M $H C l$ . If $p K_{b}$ of ammonia solution is $4.75$ , the $p H$ of the mixture will be:

8.25

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4.75

No worries! We‘ve got your back. Try BYJU‘S free classes today!

9.25

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

3.75

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $9.25$

Suggest Corrections

Similar questions

40 m l

0.1 M

ammonia solution is mixed with

20 m l

0.1 M H C l

. What is the pH of the mixture?

[Given:

p K_{b}

of ammonia solution is

4.74

]

pH of two solutions :
I. 50 ml of 0.2 M~HCl + 50 ml of 0.2 M HA $(K_{a} = 1.0 \times 10^{- 5})$ and
II. 50 ml of 0.2 M HCl + 50 ml of 0.2 M NaA will be respectively

Q. A

25 m L

solution of

0.2 M N H_{4} O H

is titrated against

0.2 M H C l

. Find the

p H

of the solution when

25 m L

H C l

is added.

p K_{b} (N H_{4} O H) = 4.74

Q. 20

m L

0.1 M

H_{2} S O_{4}

solution is added to

30 m L

0.2 M

N H_{4} O H

solution. The

p H

of the resultant mixture is:

[P k_{b} o f N H_{4} O H = 4.11]

Q. Solution of 0.1 N

N H_{4} O H

and 0.1 N

N H_{4} C l

has pH 9.25.

p K_{b}

N H_{4} O H

is :

Join BYJU'S Learning Program

50mL of 0.2M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be:

The correct option is C 9.25

$50$ mL of $0.2$ M ammonia solution is treated with $25$ mL of $0.2$ M $H C l$ . If $p K_{b}$ of ammonia solution is $4.75$ , the $p H$ of the mixture will be:

The correct option is C $9.25$