Sarthaks Test
0 votes
203k views
in Chemistry by (60.7k points)

A first order reaction takes 20 minutes for 25% decomposition. Calculate the time when 75% of the reaction will be completed.

(Given: log 2 = 0.3010, log 3 = 0.4771, log 4 = 0.6021)

1 Answer

+2 votes
by (34.5k points)
selected by
 
Best answer

Dividing (i) equation (i) by (ii) 

20/t = 0.1250/0.6021

t = 96.3 min

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...