Tardigrade
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Tardigrade
Question
Chemistry
The Δ G° is negative for the reduction of Cr 2 O 3 with Al but the reaction does not take place at room temperature because
Q. The
Δ
G
∘
is negative for the reduction of
C
r
2
O
3
with Al but the reaction does not take place at room temperature because
68
164
General Principles and Processes of Isolation of Elements
Report Error
A
the net value of
Δ
G
∘
becomes positive
B
the orientation of molecules of
A
l
and
C
r
2
O
3
is not process
C
certain amount of activation energy is required to start the reaction
D
melting point of
C
r
2
O
2
is very high so no reaction take place
Solution:
Several spontaneous reactions also require a certain amount of activation energy to overcome the forces of attraction, therefore heating is required.