What describes a spontaneous reaction?

Positive

Δ H

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Negative

Δ H

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Positive

Δ G

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Negative

Δ G

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Solution

The correct option is D Negative $Δ G$
Option D is the correct answer.
For a reaction to be spontaneous, the value of $Δ G$ should be Negative.

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Similar questions

	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

Q. Assertion :For adsorption

Δ G, Δ S

and

Δ H

all have negative values. Reason: Adsorption is a spontaneous process accompanied by decrease in randomness.

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.

Q. Assertion :For adsorption

Δ G, Δ H, Δ S

all have negative values. Reason: Adsorption is a spontaneous exothermic process in which randomness decreases due to force of attraction between adsorbent and adsorbate.

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What describes a spontaneous reaction?

The correct option is D Negative ΔGOption D is the correct answer.For a reaction to be spontaneous, the value of ΔG should be Negative.

The correct option is D Negative $Δ G$
Option D is the correct answer.
For a reaction to be spontaneous, the value of $Δ G$ should be Negative.