0

Guest

Courses New

(ii) The time for half life of first order reaction is 1 hr. What is time taken for 87.5% completion of the reaction.

(ii) The time for half life of first order reaction is 1 hr. What is time taken for  87.5% completion of the reaction. 
 

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Dear Student
 
87.5 % means three half lives
As 87.5 % 
1st half life = 50%
2nd half life = 50 + 50% (50) = 50 +25 = 75%
3rd half life = 50 + 50 % (50) + 50% (25) = 87.5%
 
Hence total time taken = 3 hours
 
Regards
Arun (askIITians forum expert)

Think You Can Provide A Better Answer ?

Other Related Questions on Physical Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More