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The following reaction is used for the preparation of oxygen gas in the laboratory KClOsHeatCatalystKClsOg2KClO3(s)→CatalystHeat2KCl(s)+3O2(g) - Science

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Question

The following reaction is used for the preparation of oxygen gas in the laboratory

`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`

Which of the following statement(s) is(are) correct about the reaction ?

Options

  • It is a decomposition reaction and is endothermic in nature

  •  It is a combination reaction

  • It is a decomposition reaction and is accompanied by release of heat

  • It is a photochemical decomposition reaction and exothermic in nature

MCQ

Solution

It is a decomposition reaction and is endothermic in nature

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Chapter 1: Chemical Reactions and Equations - Exemplar [Page 4]

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NCERT Exemplar Science [English] Class 10
Chapter 1 Chemical Reactions and Equations
Exemplar | Q 15 | Page 4
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