Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The reaction
is thermodynamically feasible due to –ve value of 
. Why does this reaction not take place at room temperature?
A
Certain amount of activation energy is essential for thermodynamically feasible reaction also.
B
Due to high melting point of chromium oxide the reaction does not take place.
C
Overall value of 
for the net reaction becomes positive
for the net reaction becomes positive
D
Molecules of 
and Al are not oriented properly.
and Al are not oriented properly.
Text Solution
Verified by ExpertsThe correct answer is:
A
: The spontaneous reaction also requires a certain amount of activation energy therefore heating is required.
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