The change in oxidation state of sulphur when sulphur dioxide is passed

The Change In Oxidation State Of Sulphur When Sulphur Dioxide Chemistry Question

The change in oxidation state of sulphur when sulphur dioxide is passed in an acidified K₂Cr₂O₇ solution is from

Options

(a) 4 to 0
(b) 4 to 2
(c) 4 to 6
(d) 6 to 4

Correct Answer:

4 to 6

Explanation:

Acidified K₂Cr₂O₇ solution oxidised SO₂ into Cr₂(SO₄)₃.
3SO₂ + K₂Cr₂O₇ + H₂O → K₂SO₄ + Cr₂(SO₄)₃ + H₂O
Oxidation of S =+4
Oxidation of (SO₄) = +6

Related Questions:

  1. Which one of the following statements is incorrect with regard to ortho and para
  2. Which one of the following method, is commonly used method for destruction of
  3. The substance that causes temporary hardness in water is
  4. Molten NaCl results in conduction because of
  5. One mole of magnesium nitride on reaction with excess of water gives

Topics: Hydrogen and Redox Reactions (174)
Subject: Chemistry (2512)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*