Advertisements
Advertisements
Question
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Advertisements
Solution
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
APPEARS IN
RELATED QUESTIONS
Chemical equations suffer from a number of limitations. State the main limitations of a chemical equation.
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Write a balanced molecular equation for the following word equation:
\[\ce{Copper hydroxide + nitric acid->Copper nitrate + water}\]
Balance the following equation:
\[\ce{C + H2SO4->CO2 + H2O + SO2}\]
Balance the following equation:
\[\ce{FeCl3 + NaOH->NaCl + Fe(OH)3}\]
Balance the following important equation:
NaCl + H2SO4 → Na2SO4 + HCl
Balance the following important equation:
S + H2SO4 (conc.) → SO2 + H2O
Balance the following important equation:
Cu + H2SO4 (conc.) → CuSO4 + H2O + SO2
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773 K to form ammonia gas.
- Potassium hydroxide solution is treated with acetic acid to form potassium acetate and water.
- Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated H2SO4.
- Ethene is burnt in the presence of oxygen to form carbon dioxide, water and release heat and light.
Write a balanced chemical equation of the following reaction and also classify them.
Hydrogen sulphide gas reacts with oxygen gas to form solid sulphur and liquid water.
