Selection of temperature to carry out a reduction process depends so as to make:

Δ G

negative

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Δ G

positive

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Δ H

negative

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Δ H

positive

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Solution

The correct option is A $Δ G$ negative
When $Δ$ G is negative, a process or chemical reaction proceeds spontaneously in the forward direction and similar condition is required for a reduction process also.

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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. Statement I : If

Δ H

is positive and

Δ S

is positive,

Δ G

must be positive.
Statement II :

Δ G = Δ H - T Δ S

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 :Reduction of

Z n O

with carbon is done at

1100^{\circ} C

. Reason: At this temperature,

Δ G^{\circ}

is negative thus process is spontaneous.

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Selection of temperature to carry out a reduction process depends so as to make:

The correct option is A ΔG negativeWhen ΔG is negative, a process or chemical reaction proceeds spontaneously in the forward direction and similar condition is required for a reduction process also.

The correct option is A $Δ G$ negative
When $Δ$ G is negative, a process or chemical reaction proceeds spontaneously in the forward direction and similar condition is required for a reduction process also.