Advertisements
Advertisements
Question
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
PbO2 +4HCl → PbCl2 + H2O + Cl2
Advertisements
Solution
PbO2 +4HCl → PbCl2 + H2O + Cl2
Correct balance – 2H2O
PbO2 +4HCl → PbCl2 + 2H2O + Cl2
APPEARS IN
RELATED QUESTIONS
2 mL of sodium hydroxide solution is added to a few pieces of granulated zinc metal taken in a test tube. When the contents are warmed, a gas evolves which is bubbled through a soap solution before testing. Write the equation of the chemical reaction involved and the test to detect the gas. Name the gas which will be evolved when the same metal reacts with dilute solution of a strong acid.
When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are compounds.
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
Write word equation for the following skeletal equation:
\[\ce{KNO3 -> KNO2 + O2}\]
Complete the following equation:
CH3COOH + NaOH →
Define: Endothermic reaction
Answer the following question:
How do acids and bases react with each other? What is the name of the process? What product is obtained from these reactions?
Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
Representation of the results of a chemical change – is a chemical equation.
For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓
Answer the following:
Name the reactants and the products in the above equation.
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
