| ⇦ | 
| ⇨ |
For a first order reaction, the time taken to reduce the initial concentration by a factor of 1/4 is 20 minutes. The time required to reduce initial concentration by a factor of 1/16 is
Options
(a) 20 min
(b) 10 min
(c) 80 min
(d) 40 min
Correct Answer:
40 min
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Magnesium carbonate of x g decomposes. What is the percentage of purity
- If α is dissociation constant, then the total number of moles for the reaction
- AgNO₃ does not give precipitate with CHCl₃ because
- Which one of the following is called a carbylamine
- If N and S both are present in an organic compound then during Lassaigne’s test,
Topics: Electrochemistry and Chemical Kinetics
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Magnesium carbonate of x g decomposes. What is the percentage of purity
- If α is dissociation constant, then the total number of moles for the reaction
- AgNO₃ does not give precipitate with CHCl₃ because
- Which one of the following is called a carbylamine
- If N and S both are present in an organic compound then during Lassaigne’s test,
Topics: Electrochemistry and Chemical Kinetics (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
■Case-1 =Let initial conc.is R and final conc.is R/4 so, k=2.303 ×[logR/(R/4)]×1/20 ● {20 min is time]● =》k=0.0693 sec^-1 ■Case -2 = for 1/16 to be reduce time=2.303 ×log16×1/0.093=40min.