In the diagram above, the curve that represents the production of oxgyen gas from the decomposition of KCIO3 in the presence of MnO2 catalyst is
a
R
b
P
c
S
d
Q
Explanation
Correct Option
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Discussions (16)
CEChibby
2 years ago
The answer is R. KClO3 is a solid and so pressure will not play a role in it's decomposition
courage2007
2 months ago
The correct answer is R
Oxygen is a product, so its amount (or pressure) will:
Start from zero
Increase with time
Eventually level off when the reaction finishes.
PaulOnovo2006
1 year ago
No, the pressure generated during the catalytic decomposition of KClO3 is not negligible and remains constant. The reaction produces oxygen gas, which increases the pressure within the system. While a catalyst like MnO2 speeds up the reaction, it does not change the pressure changes associated with the formation of a gas.
