0

Guest

Courses New

271 When a solution of propionic acid is half neutralized with NaOH, the pH equals 4.87. what is the dissociation constant of acid?

 
271
When a solution of propionic acid is half neutralized with NaOH, the pH equals
4.87. what is the dissociation constant of acid?
 

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Half of propanoic acid gets neutralized.
Hence for a mol of propanoic acid a/2 mol left.
 
4.87 = -log[H+]
-log((ka * CH3 – CH2 – COOH)/(CH3COO-)) = 4.87
On solving we get,
Ka = 10^-4.87/2.

Think You Can Provide A Better Answer ?

Other Related Questions on Inorganic Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More