When moist coloured flowers are added into a gas of `SO_2` the flowers are decolourised because

When moist coloured flowers are added into a gas of `SO_2` the flowers are decolourised because
A. `SO_2` absorbs colouring matter
B. `SO_2` oxidises vegetable colouring matter
C. `SO_2` reduces vegetable colouring matter
D. `SO_2` gives colourless product.

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - C
`SO_2` bleaches the colour of flowers by reduction.
`SO_2+2H_2O to H_2SO_4+2[H]`
Coloured matter + [H]`to` Colourless matter

5 views Answered 2023-02-05 15:29

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