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Collision Theory

Plot the ener...

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Plot the energy vs reaction coordinate diagram for a hypothetical reaction X-----> Y, the activation energy for the forward and backward reactions are 15 and 9 kJ/mol respectively. The potential energy of X is 10 kJ/mol. Also calculate the heat of reaction, potential energy of Y, threshold energy and nature of reaction (i.e., endothermic or exothermic).

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Q. In a hypothetical reaction

X \to Y

, the activation energy for the forward and backward reactions are

15

9 k J m o l^{- 1}

respectively. The potential energy of

X

10 k J m o l^{- 1}

. Which of the following statements is/are correct?
(i) The threshold energy of the reaction is

25 k J

(ii) The potential energy of

Y

16 k J

(iii) Heat of reaction is

6 k J

(iv) The reaction is endothermic.

Select the correct statements:

In a hypothetical reaction

C \to Y,

the activation energy for the forward and backward reaction is 15 and

9 k J m o l^{- 1},

respectively. The potential energy of X is 10 kJ

m o l^{- 1}

r_{1 / 2}

vs. concentration.

Q. In a hypothetical reaction,

A \to Y

, the activation energies for the forward and backward reactions are

15

9

k J

{m o l}^{- 1}

respectively. The potential energy of

A

10

k J

{m o l}^{- 1}

. Which of the following is wrong?

Q. The forward and backward activation energy of exothermic reaction

A \to B

80 and 280 k J m o l^{- 1}

respectively. The enthalpy change of the forward reaction

A \to B

k J / m o l

Q. If a reaction,

A + B ⟶ C

, is exothermic to the extent of

30 k J / m o l

and the forward reaction has an activation energy of

249 k J / m o l

, the activation energy for reverse reaction in

k J / m o l

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