when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o

Question

levacccp [35]

2 years ago

10

when carbon dioxide is bubbled through lime water the solution first turn milky and to colour less . Explain why these changes o

ccur

Chemistry

1 answer:

Annette [7] · Answer 1 · 2022-07-07T21:58:41+03:00

Answer:

When excess of carbon dioxide is passed in lime water, calcium carbonate is converted to calcium bicarbonate which is soluble, hence the milkiness due to calcium carbonate disappears.

Explanation:

Ca(OH)2+CO2 → CaCO3 (Milkiness) ↓+H2O

CaCO3+H2O+CO2 → Ca(HCO3)2 (soluble)