Cell reaction is spontaneous when :

G is negative

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G is positive

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E is positive

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E is negative

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Solution

The correct option is A G is negative
$Δ G^{0} = - R T l n K = - n F E_{c e l l}^{0}$
For spontaneity of cell
$Δ G < 0$

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Similar questions

Q. Assertion :A reaction will be spontaneous if

△

H is negative and

△

S is positive Reason:

△

G will be negative when there is a decrease in enthalpy and an increase in entropy

Q. Statement I: A reaction with a positive enthalpy and a negative entropy will be spontaneous
BECAUSE
Statement II: The Gibbs free energy for a spontaneous reaction is negative

Which of the following is not correct?
(a) $Δ$ G is zero for a reversible reaction.
(b) $Δ$ G is positive for a spontaneous reaction.
(c) $Δ$ G is negative for a spontaneous reaction.
(d) $Δ$ G is positive for a non-spontaneous reaction.

Q. Assertion :There is no reaction known for which

Δ G

is positive, yet it is spontaneous. Reason: For photochemical reaction,

Δ G

is negative.

	Column I		Column II
a.	exothermic	p.	$H_{P} - H_{R}$
b.	endothermic	q.	$Δ H$ is negative
c.	spontaneous	r.	$Δ H$ is positive
d.	heat of reaction	s.	$Δ G$ is negative

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Cell reaction is spontaneous when :

The correct option is A G is negativeΔG0=−RTlnK=−nFE0cellFor spontaneity of cell ΔG<0

The correct option is A G is negative
$Δ G^{0} = - R T l n K = - n F E_{c e l l}^{0}$
For spontaneity of cell
$Δ G < 0$