Home
Class 12
CHEMISTRY
An endothermic reaction, Ararr B have an...

An endothermic reaction, `Ararr B` have an activation energy `15 kcal//mol` and the heat of the reaction is `5 kcal//mol`. The activation energy of the reaction, `Brarr A` is:

A

20

B

15

C

10

D

5

Text Solution

Verified by Experts

The correct Answer is:
C
Activation energy for backw ard reaction = `DeltaH` + activation energy for forw ard reaction
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    NARAYNA|Exercise EXERCISE -2 (H.W) (RATE OF REACTION & FACTORS)|19 Videos

  • CHEMICAL KINETICS

    NARAYNA|Exercise EXERCISE -2 (H.W) (ORDER OF REACTION)|16 Videos

  • CHEMICAL KINETICS

    NARAYNA|Exercise EXERCISE -2 (C.W) HALF LIFE|4 Videos

  • CARBOXYLIC ACID

    NARAYNA|Exercise All Questions|288 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    NARAYNA|Exercise ASSERTION & REASON TYPE QUESTIONS|10 Videos

Similar Questions

Explore conceptually related problems

An exothermic reaction XrarrY has an activation energy of 90kJ mol^(-1) of X and the heat of reaction is 250 kJ . Find the activation energy of the reaction YrarrX .

An exothermic reaction, A rarr B , has an activation energy of "15 kcal mol"^(-1) and the energy of reaction is "5 kcal mol"^(-1) . The activation energy in "kcal mol"^(-1) for the reaction, BrarrA is

In an exothermic reaction X rarr Y , the activation energy is 100 kJ mol^(-1) of X . The enthalphy of the reaction is -140 kJ mol^(-1) . The activation energy of the reverse reaction Y rarr X is

An endothermic reaction A to B has an activation energy as K KJ "Mol "^(-1) of A . If energy change of the reaction is Y KJ , the activation of the reverse reaction is

In an exothermic reaction A rarr B , the activation energy of the forward reaction is 200 kJ mol^(-1) . The enthalpy of the reaction is 280 kJ mol^(-1) . The activation energy of the reverse reaction B rarr A is