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Standard XII

Chemistry

Enthalpy of Combustion

If a reaction...

Question

If a reaction $A + B \to C$ is exothermic to the extent of $30 k J m o l^{- 1}$ and the forward reaction has an activation energy, $X k J m o l^{- 1}$ the activation energy for the reverse reaction is :

30 k J m o l^{- 1}

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X - 30 k J m o l^{- 1}

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X k J m o l^{- 1}

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X + 30 k J m o l^{- 1}

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Solution

The correct option is D $X + 30 k J m o l^{- 1}$

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If a reaction A+B→C is exothermic to the extent of 30kJmol−1 and the forward reaction has an activation energy, X kJmol−1 the activation energy for the reverse reaction is :

The correct option is D X+30 kJmol−1

If a reaction $A + B \to C$ is exothermic to the extent of $30 k J m o l^{- 1}$ and the forward reaction has an activation energy, $X k J m o l^{- 1}$ the activation energy for the reverse reaction is :

The correct option is D $X + 30 k J m o l^{- 1}$