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In a hypothetical reaction X rarr Y, the...

In a hypothetical reaction `X rarr Y`, the activation energy for the forward and backward reactions is `15` and `9 kJ mol^(-1)`, respectively. The potential energy of `X` is `10 kJ mol^(-1)`. Then
Plot `t_(1//2)` vs. concentration

A

The threshold energy of the reaction is 25Kj

B

the potential energy of Y is 16KJ

C

heat of reaction is 6 KJ

D

all the above are correct

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The correct Answer is:
D
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A colliison between reactant molecules must occur with a certain minimum energy before it is effective in yielding Product molecules. This minimum energy is called activation energy E_(a) Large the value of activation energy, smaller the value of rate constant k . Larger is the value of activation energy, greater is the effect of temperature rise on rate constant k . E_(f) = Activation energy of forward reaction E_(b) = Activation energy of backward reaction Delta H = E_(f) - E_(b) E_(f) = threshold energy In a hypothetical reaction A rarr B , the activation energies for the forward and backward reactions are 15 and 9 kJ mol^(-1) , respectively. The potential energy of A is 10 kJ mol^(-1) . Which of the following is wrong?

In a pypothetical reaction X rarr Y , the activation are 15 and 9 "kJ mol"^(-1) respectively. The potential energy of X is 10 "kJ mol"^(-1)

The reaction A to C has activation energy for the forward and the backward reaction has 25 kJ and 32 KJ respectively. The DeltaH for the reaction is

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