In a reversible reaction the `E_(a)` for forward and the backward reaction are 50KJ and 30kJ. The value of `/_\E` for the reaction is:-
1. 20kJ
2. - 20kJ
3. 80KJ
4. -80KJ

The energy change accompanying the equilibrium reaction A hArr B is -33.0 kJ mol^(-1) . Assuming that pre-exponential factor is same for forward and backward reaction answer the following: The threshold energy of the reaction is when PE of B is 30 kJ mol^(-1) . (a) 30 (b) 140 (c) 123 (d) 125

for a reversible reaction K_(c )gtK_(p) at 298 K and Delta H = + 200 KJ the forward reaction is not favoured by :

The activation energies of the forward and backward reactions in the case of a chemical reaction are 30.5 and 45.4kJ/mol respectively. The reaction is:

The activation energies of the forward and backward reactions in the case of a chemical reaction are 37.5 and 51.3 kJ/mole respectively The reaction is

In a hypothetical reaction X to Y , the activation energy for the forward backward reactions are 15 and 9 kJ mol^(-1) respectively. The potential energy of X is 10 kJ mol^(-1) . Which of the following statement is/are correct? (i) The threshold energy of the reaction is 25 kJ mol^(-1) (ii) The potential energy of Y is 16 kJ mol^(-1) (iii) Heat of reaction is 6 kJ mol^(-1) The reaction is endothermic.

For a reversible exothermic reaction K_(c) lt K_(p) & DeltaH=-100kJ the reverse reaction is favoured if :

K_(p) for a reaction at 25^(@)C is 10 atm. The activation energy for forward and reverse reactions are 12 and 20 kJ mol^(-1) respectively. The K_(c) for the reaction at 40^(@)C will be:

The energy change accompanying the equilibrium reaction A hArr B is -33.0 kJ mol^(-1) . Assuming that pre-exponential factor is same for forward and backward reaction answer the following: The equilibrium constant k for the reaction at 300 K

The activation energy for the forward reaction X rarr Y is 60 kJ mol^(-1) and Delta H is -20 kJ mol^(-1) . The activation energy for the reverse reaction is

The energy change accompanying the equilibrium reaction A hArrB is -33.0kJ mol^(-1) . Calculate Energy of activation for forward and backward reaction (E_f and E_a) at 300 K. Given that E_f and E_b are in the ratio 20 : 31. Assume that pre-exponential factor is same for forward and backward reaction.