Calculate the pH when equal volume of 0.01 M HA Ka=10−6 and 10−3MHBKa=10−5

Book Online Demo

Check Your IQ

Try Test

Courses

Offline Centres

Calculate the pH when equal volume of $0.01 M HA$ $(K_{a} = 10^{- 6})$ and $10^{- 3} MHB (K_{a} = 10^{- 5})$

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

answer is 4.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Here volume of $0.01 M HA$ $(K_{a} = 10^{- 6})$ and $10^{- 3} MHB (K_{a} = 10^{- 5})$ is equal.

The value of pH,

$[H^{+}] = \sqrt{K a_{1} C_{1} + K a_{2} C_{2}}$

$[H^{+}] = \sqrt{\frac{10^{- 6} \times 10^{- 2}}{2} + \frac{10^{- 5} \times 10^{- 3}}{2}} = 10^{- 4}$

$pH = 4$

Watch 3-min video & get full concept clarity

JEE

NEET

Foundation JEE

Foundation NEET

CBSE