ExamVeda
Login
Home

Sulphur dioxide bleaches colouring matter by

This question belongs to General Knowledge Chemistry
Chemistry
?

Sulphur dioxide bleaches colouring matter by :

Answer & Solution
Correct Answer: Option A
Sulphur dioxide gas exhibits bleaching properties in presence of moisture. It dissolves in water liberating nascent hydrogen. Nascent hydrogen removes oxygen atoms from the colouring matter (reduces colouring matter) and it loses its colour.
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Chemistry

Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect B. Fire in coal mines C. Dry farming D. Monsoon E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons B. electrons and protons C. protons and neutrons D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality B. molarity C. normality D. formality
The most electronegative element among the following is
A. sodium B. bromine C. fluorine D. oxygen
More Related Questions on Chemistry