Question

Compound A on reacting with baking soda produces
a colourless gas C, which when passed through lime
water forms a solution D. On further passing the gas
C through D, another solution E is formed. Identify
the nature of A and the colour of the solution E

Answer 1

Answer:

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D is Calcium Carbonate. E is Calcium Hydrogen Carbonate. The milkiness disappears since calcium bicarbonate is water-soluble. So colour of solution of E is colourless

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Answer 2

Explanation:

'D' is Calcium Carbonate.

'E' is Calcium Hydrogen Carbonate.

The milkiness disappears since calcium bicarbonate is water-soluble.

↬ Nature of 'A' is acidic.

↬ Colour of solution of 'E' is colourless.