In a hypothetical reaction $$X \to Y,$$ the activation energy for the forward and backward reactions are $$15$$ and $$9\,kJ\,mo{l^{ - 1}}$$ respectively. The potential energy of $$X$$ is $$10\,kJ\,mo{l^{ - 1}}.$$ Which of the following statements is/are correct?
(i) The threshold energy of the reaction is $$25\,kJ\,mo{l^{ - 1}}.$$
(ii) The potential energy of $$Y$$ is $$16\,kJ\,mo{l^{ - 1}}.$$
(iii) Heat of reaction is $$6\,kJ\,mo{l^{ - 1}}.$$
(iv) The reaction is endothermic.
A.
Only (i)
B.
Only (i) and (ii)
C.
Only (ii) and (iii)
D.
All are correct
Answer :
All are correct
Solution :
Releted MCQ Question on Physical Chemistry >> Chemical Kinetics
Releted Question 1
If uranium (mass number 238 and atomic number 92) emits an $$\alpha $$ -particle, the product has mass no. and atomic no.