0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Question

The following reaction is used for the preparation of oxygen gas in the laboratory.
2KClO3(s)Heat−−−−Catalyst2KCl(s)+3O2(g)
Which of the following statement is correct about the reaction?
  1. It is a decomposition reaction and endothermic in nature
  2. It is a combination reaction
  3. It is a decomposition reaction and accompanied by release of heat
  4. It is a photochemical decomposition reaction and exothermic in nature

A
It is a decomposition reaction and accompanied by release of heat
B
It is a decomposition reaction and endothermic in nature
C
It is a combination reaction
D
It is a photochemical decomposition reaction and exothermic in nature
Solution
Verified by Toppr

2KClO3(s)heat−−−catalyst2KCl(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.

Was this answer helpful?
15
Similar Questions
Q1
Question 15

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

2KClO3(s)Heat2KCl (s)+3O2(g)

Which of the following statement(s) is (are) correct about the reaction?
(a) It is a decomposition reaction and endothermic in nature.
(b) It is a combination reaction.
(c) It is a decomposition reaction and accompanied by release of heat.
(d) It is a photochemical decomposition reaction and exothermic in nature.
View Solution
Q2
The following reaction is used for the preparation of oxygen gas in the laboratory.
2KClO3(s)Heat−−−−Catalyst2KCl(s)+3O2(g)
Which of the following statement is correct about the reaction?
View Solution
Q3
The following reaction is an example of a
2Pb(NO3)2(s)Heat−−2PbO(s)+4NO2(g)+O2(g)
I. Combination reaction
II.
Decomposition reaction
III. Endothermic reaction
IV. Exothermic reaction
View Solution
Q4

CaO and CO2 are produced by heating CaCO3. What are the type of the reaction and the process?


View Solution
Q5
Slaking of lime is
(i) an endothermic reaction
(ii) an exothermic reaction
(iii) a combination reaction
(iv) a decomposition reaction
View Solution