For a process to be spontaneous- - G must be-

The correct option is A negative.As we know, Δ G = Δ H T Δ S nbsp; lt; 0 for a nbsp;process to be spontaneous. ...

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Standard XII

Chemistry

Gibbs Free Energy & Spontaneity

For a process...

Question

For a process to be spontaneous, $Δ G$ must be:

negative.

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positive

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zero

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None of these

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Solution

The correct option is A negative.
As we know,
$Δ G = Δ H - T Δ S < 0$ for a process to be spontaneous.

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Similar questions

Q. For non-spontaneous process at constant T & P

Δ G

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. For a spontaneous process, which of the following is always true :

Δ G > 0

Δ_{t o t a l} S < 0

T Δ S > 0

Δ G < 0

Q. Assertion :The thermodynamic factor which determines the spontaneity of a process is the free energy. For a process to be spontaneous the free energy must be -ve Reason: The change in free energy is related to the change in enthalpy and change in entropy. The change in entropy for a process must always be positive if it is spontaneous.

Q. For a reaction to be spontaneous, the sign of Gibbs Free Energy change

Δ G

is ________.

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For a process to be spontaneous, ΔG must be:

The correct option is A negative.As we know,ΔG=ΔH−TΔS<0 for a process to be spontaneous.

For a process to be spontaneous, $Δ G$ must be:

The correct option is A negative.
As we know,
$Δ G = Δ H - T Δ S < 0$ for a process to be spontaneous.