Ask a Question

The ionization constant of nitrous acid is 4.5 × 10–4 . Calculate the pH of 0.04 M sodium nitrite solution and also its degree of hydrolysis.

← Prev Question Next Question →
+1 vote
351 views
asked Oct 7, 2017 in Chemistry by jisu zahaan (28,760 points) ● 26 ● 373 ● 801

The ionization constant of nitrous acid is 4.5 × 10–4 . Calculate the pH of 0.04 M sodium nitrite solution and also its degree of hydrolysis. 

1 Answer

+1 vote
answered Oct 7, 2017 by sforrest072 (157,439 points) ● 60 ● 409 ● 932
selected Oct 8, 2017 by sanjeev
 
Best answer

NaNO2 is the salt of a strong base (NaOH) and a weak acid (HNO2). 

Now, If x moles of the salt undergo hydrolysis, then the concentration of various species present in the solution will be: 

Therefore, degree of hydrolysis 

← Prev Question Next Question →

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...