Question

The following reaction is used for preparation of
gas in the laboratory
2k C103⁴ → 2 Kc+ 30²
• Which of the following statement are true about the
reaction
@ It is a decomposition reaction and
endothermic in nature
b. It is a combination reaction
© It is a decomposition reaction as well as exothermic
reaction.
d. It is a photochemical reaction .
​

Answer 1

Explanation:

ANSWER

2KClO 3(s) heat

catalyst 2KCl(s)+3O2 (g)

In the above reaction, potassium chlorate(KClO3 ) decomposes to form potassium chloride(KCl) and oxygen(O2 ). Also as shown in the equation, heat is supplied for the reaction to take place. Therefore, it is a decomposition reaction which is also endothermic in nature.

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