Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
Assertion : The kinetics of the reaction
\(m A+n B+p C \rightarrow m^{\prime} X+n^{\prime} Y+p^{\prime} Z\)
obeys the rate expression as -
\(\frac{d x}{d t}=k[A]^m[B]^n\)
Reason : The rate of reaction does not depend upon the concentration of \(C\).
ChemistryChemical KineticsAIIMSAIIMS 2007
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
2425 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and reason is the correct explanation of assertion.
Rate expression \(\frac{d x}{d t}=k[A]^m[B]^n\) shows that the total order of reactions is \(m+n+0=m+n\) as the rate of reaction is independent of concentration of \(C\), i.e, the order with respect to \(C\) is zero. This is the reason that \(C\) does not figure in the rate expression.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.