Science, asked by pragaya, 1 year ago

what happen when carbon dioxide is bubbled through limewater (a) in small amount , and. (b) in excess

Answers

Answered by RebelLover2
31
When CO2 gas is bubbled through lime water :-
i)In small amount then the lime water turns milky due to formation of calcium carbonate. Reaction:
Ca(OH)2(aq) + CO2(g) → CaCO3(s) + H2O(l)
The insoluble CaCO3 is the reason that the solution turns milky
ii)in excess amount then the milkiness of the lime water disappears due to formation of Calcium bicarbonate.

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Answered by Anonymous
12
hey mate here is ur ans
When carbon dioxide is passed through limewater
a) in small amount
it turns the lime water milky due to the formation of insoluble calcium carbonate
Ca(OH)2+CO2----->CaCO3+H2O
b) when passed in excess
It turns clear again due to the formation of soluble calcium bicarbonate
Ca(OH)2+2CO2---->Ca(HCO3)2

hope it helps you
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