Which gas is released when a dilute acid reacts with a metal carbonate?
Carbon dioxide gas is released
Metal carbonates react with dilute acids to give the corresponding salt, water, and carbon dioxide gas. The general equation is: Metal carbonate + Acid → Salt + Water + CO2.
For example, CaCO3 + 2HCl → CaCl2 + H2O + CO2. The brisk effervescence turns limewater milky, which is the standard test for CO2.
Hydrogen is released when dilute acids react with reactive metals, not with carbonates; oxygen and nitrogen are not products of such acid-carbonate reactions.
Hence, the gas released is carbon dioxide.
Similar Questions
If a piece of aluminium is added to iron(II) sulphate (FeSO4) solution, what will happen?
Balance the following reaction:
\(3\,\text{MnO}_2\,(s) + x\,\text{Al}\,(s) \rightarrow 3\,\text{Mn}\,(l) + y\,\text{Al}_2\text{O}_3\,(s) + \text{Heat}\)
What type of ions exchange between reactants in a double displacement reaction?
A student tries to balance the equation Fe + H2O → Fe3O4 + H2 and writes the following step:
Fe + H2O4 → Fe3O4 + H2
Which statement best explains why this step is INCORRECT?
What is formed when carbon burns in oxygen?
What is the primary chemistry behind a displacement reaction?
Identify the correct statement regarding the reaction of sodium carbonate and dilute HCl.
What primary factor determines whether one element can displace another from its compound?
When carbon dioxide gas is passed through lime water (calcium hydroxide solution), it produces a white precipitate which is of:
Read the following statements and choose the correct option.
Statement I: All metals in the reactivity series can displace hydrogen from dilute acids to form hydrogen gas.
Statement II: Metals below hydrogen in the reactivity series do not produce hydrogen gas with dilute acids.
Important Questions from Chemical Reaction
Which of the following statement is/are true?
I. In physical change new substance is formed. substance is formed.
II. In chemical change no new substance is formed.
Which of the following cells involves similar chemical reactions?
The information not obtained from balanced chemical equation is
Oxygen cannot be obtained by which one of the following methods?
Which of the following statement is correct?
I. Insoluble salt is obtained by precipitation reaction.
II. Addition of oxygen or loss of hydrogen is called oxidation.
