Class 12 Chemistry - Chapter The p-Block Elements NCERT Solutions | What happens when sulphur dioxide is pas

Welcome to the NCERT Solutions for Class 12th Chemistry - Chapter The p-Block Elements. This page offers a step-by-step solution to the specific question from Exercise 1, Question 20: what happens when sulphur dioxide is passed throug....
Question 20

What happens when sulphur dioxide is passed through an aqueous solution of Fe(III) salt?

Answer

SOacts as a reducing agent when passed through an aqueous solution containing Fe(III) salt. It reduces Fe(III) to Fe(II) i.e., ferric ions to ferrous ions.

2Fe3+  +  SO2 + 2H2O   →   2Fe2+   +  SO42-   +   4H+

Popular Questions of Class 12 Chemistry

10 Comment(s) on this Question

Write a Comment: