Advertisements
Advertisements
प्रश्न
\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]
State why the compound MnO2 is written above the arrow.
Advertisements
उत्तर
MnO2 is a catalyst in the reaction which does not under go any change and simply increases the rate of reaction is written above the arrow.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false:
A chemical equation can be balanced easily by altering the formula of a reactant or product.
Write the balanced equation for the following reaction, and add the state symbol:
Magnesium carbonate reacts with hydrochloric acid to produce magnesium chloride, carbon dioxide and water.
Why do we need to balance chemical equations?
Balance the following equation. Also name the product formed.
`"Zn" + "HCI" → "ZnCI" _2 + "H"_2`
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.
Name the following:
The gas evolved when a dilute acid is added to chalk [limestone].
Explain the term ‘chemical equation’.
Balance the following simple equation:
Fe2O3 + CO → Fe + CO2
Complete the given chemical reaction.
\[\ce{CuSO_{4(aq)} + Fe_{(s)} ->}\]______ + ______
Write three steps of writing chemical equations with example?
