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प्रश्न
Give a balanced equation for the following conversion: [In one or two steps]
Lime water [soln. of calcium hydroxide] to calcium bicarbonate.
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उत्तर
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
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संबंधित प्रश्न
Write the balanced chemical equation for the above reaction.
Give reason for the following:
Solid carbon dioxide is used for refrigeration of food.
Fill in the blank
....................... is formed when carbon is burnt in a limited supply of air or oxygen.
Why is carbon monoxide called silent killer ?
Explain the reducing action of carbon monoxide.
FILL IN THE BLANK
Carbon when heated in limited supply of air forms..................
‘When carbon dioxide is bubbled into lime water, the lime water turns milky and when bubbled in excess the milkiness disappears’. Give balanced equations to support the statement.
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.
Convert carbon monoxide to carbon dioxide using two different methods.
Select the appropeiate option of the following statement:
A compound which finds use for a victim of carbon monoxide poisoning.
