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Which of the following is always negative for exothermic reaction ?

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$ΔG$

$ΔS$

None of these.

$ΔH$

answer is A.

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Detailed Solution

Heat is given out during exothermic reaction
$∴ H_{R} > H_{P} ∆ H = H_{P} - H_{R}$
$∴$ $ΔH$ is always negative for an exothermic reaction.

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