Back to Practice

AIPMT PRELIMS2007Chemistry-Chemical Kinetics

AIPMT PRELIMS 2007 Chemistry First Order Reactions MCQ Question

Type: MCQ-numerical-Medium-Class 12

If 60% of a first order reaction was completed in 60 minutes, 50% of the same reaction would be completed in aproximately

A

45 minutes

B

60 minutes

C

40 minutes

D

50 minutes

Correct Answer

Option A

Detailed Explanation

The rate constant k for a first order reaction can be calculated using the formula $k = \frac{2.303}{t} \log \frac{a}{a-x}$ . Substituting the given values, we find the rate constant.

Found an issue with this question?

Related Questions

More from 2007

CH₃OC₂H₅ and (CH₃)₃C – OCH₃ are treated with concentrated acidic iodide. The fragments after reactions obtained are

Organic ChemistryChemistry

Explore More Questions

All Chemistry Questions Chemical Kinetics Questions AIPMT PRELIMS 2007 PYQ