Question:
The number of molecules that react with each other in an elementary reaction is a measure of the:
The number of molecules that react with each other in an elementary reaction is a measure of the:
Show Hint
Molecularity represents the number of reactant molecules that collide in an elementary step to initiate a reaction.
Updated On: Feb 28, 2025
- activation energy of the reaction
- stoichiometry of the reaction
- molecularity of the reaction
- order of the reaction
Hide Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
Molecularity of a reaction refers to the number of reactant molecules that participate in an elementary reaction. It is an essential concept used to understand the reaction mechanism.
\bigskip
Step 2:
Therefore, the correct answer is option (3).
\bigskip
Was this answer helpful?
0
0
Top Questions on Chemical Kinetics
- Drug X becomes ineffective after 50% decomposition. The original concentration of drug in a bottle was 16 mg/mL which becomes 4 mg/mL in 12 months. The expiry time of the drug in months is ____ . Assume that the decomposition of the drug follows first order kinetics.
- JEE Main - 2025
- Chemistry
- Chemical Kinetics
- The molecule A changes into its isomeric form B by following a first order kinetics at a temperature of 1000 K. If the energy barrier with respect to reactant energy for such isomeric transformation is 191.48 kJ mol\(^{-1}\) and the frequency factor is \(10^{20}\), the time required for 50\% molecules of A to become B is ________________________ picoseconds (nearest integer). [R = 8.314 J K\(^{-1}\) mol\(^{-1}\)]
- JEE Main - 2025
- Chemistry
- Chemical Kinetics
- Consider an elementary reaction: \[ A(g) + B(g) \rightarrow C(g) + D(g) \] If the volume of the reaction mixture is suddenly reduced to \( \frac{1}{3} \) of its initial volume, the reaction rate will become \( x \) times of the original reaction rate. The value of \( x \) is:
- JEE Main - 2025
- Chemistry
- Chemical Kinetics
- Which among the following is a false statement?
- CBSE CLASS XII - 2025
- Chemistry
- Chemical Kinetics
- The number of molecules that react with each other in an elementary reaction is a measure of the:
- CBSE CLASS XII - 2025
- Chemistry
- Chemical Kinetics
View More Questions
Questions Asked in CBSE CLASS XII exam
A certain reaction is 50 complete in 20 minutes at 300 K and the same reaction is 50 complete in 5 minutes at 350 K. Calculate the activation energy if it is a first order reaction. Given: \[ R = 8.314 \, \text{J K}^{-1} \, \text{mol}^{-1}, \quad \log 4 = 0.602 \]
- CBSE CLASS XII - 2025
- Organic Reactions
- Using integration, find the area of the region bounded by the line \[ y = 5x + 2, \] the \( x \)-axis, and the ordinates \( x = -2 \) and \( x = 2 \).
- CBSE CLASS XII - 2025
- Evaluation of Definite Integrals by Substitution
- In case the total cost of a machine less installation charges is greater than Rs 2,00,000, then 20% depreciation is charged, and if total cost of the machine is less than Rs 2,00,000 then 10% depreciation is charged.
Write the steps to create the 'IF' function using the Formula tab and dialogue box on a given spreadsheet. Also, write the syntax of the result.- CBSE CLASS XII - 2025
- Computerised Accounting
- Name the error which occurs when Excel doesn't recognize a Text formula. Give any two solutions to correct it.
- CBSE CLASS XII - 2025
- Basic Knowledge of Excel
- Null value is the special value which represents :
- CBSE CLASS XII - 2025
- Computerised Accounting
View More Questions