Q. An endothermic reaction, $A \to B$ has an activation energy as $x k J / m o l$ . If the energy change of the reaction is $y k J$ , the activation energy of the reverse reaction is

5621 186 COMEDKCOMEDK 2014Chemical Kinetics Report Error

A

$- x$

5%

B

$x - y$

63%

C

$x + y$

19%

D

$y - x$

12%

Solution:

$x = y + E_{a, b}$
$E_{a, b} = x - y k J$

Solution Image