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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
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Solution
PbO2 +4HCl → PbCl2 + H2O + Cl2
Correct balance – 2H2O
PbO2 +4HCl → PbCl2 + 2H2O + Cl2
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| Reactants | Products | Types of chemical reaction | ||
| 1. | MgH2 | → | Mg + H2 | Endothermic |
| 2. | 2H2S + SO2 | → | 3S + 2H2O | Oxidation |
| 3. | CaO + H2O | → | Ca(OH)2 + heat | Exothermic |
| Redox | ||||
What is called thermolysis reactions?
Which of the following is the correct observation of the reaction shown in the above set up?
