For an exothermic reaction

H

of the products is less than

H

of the reactants

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H

of the products is more than

H

of the reactants

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H

of the products is equal to

H

of the reactants

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Δ H

is always is positive

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Solution

The correct option is B $H$ of the products is more than $H$ of the reactants
Hence B is correct option

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H_{R}

H_{P}

△ H

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2 H_{2 (g)} + O_{2 (g)} \to 2 H_{2} O_{(l)}

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