Advertisements
Advertisements
प्रश्न
Balance the following equation:
Pb3O4 + HCl → PbCl2 + H2O + Cl2
Advertisements
उत्तर
Pb3O4 + 8HCl → 3PbCl2 + 4H2O + Cl2
APPEARS IN
संबंधित प्रश्न
Balance the following equation. Also name the product formed.
`"CO" + "O"_2 → " CO"_2`
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate mass of MnO2 used.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of chlorine gas formed.
When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.
Write the balanced chemical equation for this reaction.
Write word equation for the following molecular equation:
\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]
Word equation:
State which form of energy is utilised in the above chemical reaction.
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
Is the equation given above a balanced equation. Give reasons.
Balance the following simple equation:
Ca + H2O → Ca(OH)2 + H2
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
What are products? Explain with the help of example.
A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in colour of the solution.
- Write the name of the compound formed and its colour.
- Write a balanced chemical equation for the reaction involved.
