Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A substance dissolves in water giving a pale blue solution which decolourises KMnO 4 and oxidises KI to I 2 in acidic medium :
Text Solution
Verified by ExpertsThe correct answer is:
C
N 2 O 3 + H 2 O ⎯→ HNO 2 ;
2KMnO 4 + 5 KNO 2 + 6HCl ⎯→ 2MnCl 2 + 5KNO 3 + 3H 2 O + 2KCl
2KI + 2HNO 2 + 2HCl ⎯→ 2H 2 O + 2NO + 3KCl + I 2
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Covalency of oxygen cannot exceed 2 unlike sulphur which can show +4 or +6 because
Why do alkali metals form unipositive ions and impart characteristic colours to flame?
Comment on the order of mobilities of the alkali metal ions in aqueous solution : Li + < Na + < K +…
Why is KO 2 paramagnetic ?
Draw the structure of BeCl 2 in solid and vapour state.
Explain why in anion of Na 2 CO 3 all bond lengths are equal ?