A metal compound reacts with acid to produce effervescence. The gas evolved extinguishes a burning candle. Name the compound & the gas. How will you test the gas? Write the balanced chemical equation.
Answers
Answered by
1
CaCO3 is a metal compound. On reacting with an acid it forms metal salt, Carbon-dioxide and water.
Here is the reaction involved:-
CaCO3 + HCl ----> CaCl2 + H2O + CO2
Now, we know that CO2 extinguishes a burning candle. Therefore, the gas is Carbon-dioxide.
We will test the presence of CO2 by lime water test. When CO2 is added to lime water, it turns lime water milky.
Ca(OH)2 + CO2 ----> CaCO3 + H2O
So, Compound = Calcium carbonate (it can be any carbonate or bicarbonate)
Gas = Carbon-dioxide
___________________________
Hope it helped you!!
Please do mark as brainliest!!
Here is the reaction involved:-
CaCO3 + HCl ----> CaCl2 + H2O + CO2
Now, we know that CO2 extinguishes a burning candle. Therefore, the gas is Carbon-dioxide.
We will test the presence of CO2 by lime water test. When CO2 is added to lime water, it turns lime water milky.
Ca(OH)2 + CO2 ----> CaCO3 + H2O
So, Compound = Calcium carbonate (it can be any carbonate or bicarbonate)
Gas = Carbon-dioxide
___________________________
Hope it helped you!!
Please do mark as brainliest!!
Similar questions