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Byju's Answer
Standard XII
Chemistry
Gibbs Free Energy & Spontaneity
Which is corr...
Question
Which is correct about
Δ
G
?
A
Δ
G
=
Δ
H
−
T
Δ
S
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B
At equilibrium,
Δ
G
o
=
0
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C
At equilibrium,
Δ
G
=
−
R
T
l
o
g
K
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D
Δ
G
=
Δ
G
o
+
R
T
l
o
g
K
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Solution
The correct option is
D
Δ
G
=
Δ
G
o
+
R
T
l
o
g
K
(a) Gibb's free energy is given as :
Δ
G
=
Δ
H
−
T
Δ
S
(b) At equilibrium,
Δ
G
=
0
(c) At equilibrium,
Δ
G
o
=
−
R
T
l
o
g
K
(d)
Δ
G
=
Δ
G
o
+
R
T
l
o
g
K
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0
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