Email
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

For an endothermic reaction where $\Delta H$ represents the enthalpy of the reaction in $kj/mol$. the minimum value for the energy of activation will be

$(A)\;\text{Less than $\Delta H$} \\ (B)\;\text{zero} \\(C)\;\text{More than $\Delta H$} \\(D)\;\text{Equal to $\Delta H$} $

1 Answer

Comment
A)
For a reaction :
$Ea_{FR}=\Delta H +Ea_{BR}$
For endothermic reaction ;$\Delta H =$ positive thus $E_{a\;FR} > \Delta H$
For exothermic reaction ;$\Delta H =$ negative thus can be said.
Hence c is the correct answer.
Help Clay6 to be free
Clay6 needs your help to survive. We have roughly 7 lakh students visiting us monthly. We want to keep our services free and improve with prompt help and advanced solutions by adding more teachers and infrastructure.

A small donation from you will help us reach that goal faster. Talk to your parents, teachers and school and spread the word about clay6. You can pay online or send a cheque.

Thanks for your support.
Continue
Please choose your payment mode to continue
Home Ask Homework Questions
Your payment for is successful.
Continue
...