Home
Class 12
CHEMISTRY
A first order reaction is 50% completed ...

A first order reaction is 50% completed in 20 minutes at `27^(@)` C and in 5 minutes at `47^(@)` . The energy of activation of the reaction is :

A

43.85 KJ/mol

B

55.14 KJ/mol

C

11.97 KJ/mol

D

6.65 KJ/mol

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETIC & NUCLEAR CHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.93 To Q.122)|20 Videos

  • CHEMICAL KINETIC & NUCLEAR CHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.123 To Q.150)|10 Videos

  • CHEMICAL KINETIC & NUCLEAR CHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.33 To Q.62)|3 Videos

  • SURFACE CHEMISTRY

    NARENDRA AWASTHI|Exercise Level 3 - Assertion - Reason Type Questions|1 Videos

Similar Questions

Explore conceptually related problems

A first order reaction is 50% complete in min at 27^(@)C ?and 10 min at 47^(@)C . Calculate the rate constant and activation energy at 27^(@)C .

A first order reaction is 20% complete in 10 min. How long it takes to complete 80% ?

A reaction is 50% completed in 2 hours and 75% conmpleted in 4 hours. What is the order of the reaction.

50% of a reaction is completed in 20 minute and 75% is completed in 30 minutes from the beginning, What is the order of reaction?

A first order reaction is completed by 20% 2 minutes. How much further time is required for 64% of the initial concentration of the reactants to remain.

75% . of a first order reaction is complete is 30 min. Calculate (a) half life, (b) rate constant and (c) time required for 99.9% completion of the reaction.

A reaction proceeds 5 times more at 60^(@)C , as it does at 30^(@)C . Calculate the energy of activation.

3/4 th of first order reaction was completed in 32 min 15/16 the part will be completed in