Advertisements
Advertisements
Question
Give a balanced equation for the following conversion: [In one or two steps]
Lime water [soln. of calcium hydroxide] to calcium bicarbonate.
Advertisements
Solution
Lime water to calcium bicarbonate
When CO2 is passed it turns milky.
Step I: \[\ce{Ca[OH]2 + CO2 -> \underset{\text{Cal.carbonate(insoluble)}}{CaCO3↓} + H2O}\]
Step II: On passing excess of CO2, soluble HCO3 is formed and miliness disappears.
CaCO3 + H2O + CO2 → Ca[HCO3]2
APPEARS IN
RELATED QUESTIONS
Write the balanced chemical equation for the above reaction.
What happens when carbon dioxide is passed through lime water first in small amounts and then in excess ?
Give reason for the following:
Solid carbon dioxide is used for refrigeration of food.
How is carbon monoxide gas formed?
Give two uses of carbon monoxide.
Why is carbon monoxide called silent killer ?
Explain the reducing action of carbon monoxide.
Give reason why carbon monoxide is considered a highly poisonous gas. State why it is dangerous to sleep in a closed room with a fuel burning.
State how carbon monoxide finds application in preparation of an alcohol. [Give balanced equations for the same]
Select the appropeiate option of the following statement:
A compound which finds use for a victim of carbon monoxide poisoning.
