Question:
Write the rate law expression for the reaction 2HI → H2 + I2, if the order of the reaction is zero.
Write the rate law expression for the reaction 2HI → H2 + I2, if the order of the reaction is zero.
Show Hint
In a zero-order reaction, the rate is constant and does not depend on the concentration of reactants.
Updated On: Jul 11, 2025
Hide Solution
Verified By Collegedunia
Solution and Explanation
For a zero-order reaction, the rate law expression is:
\[
\text{Rate} = k
\]
where \(k\) is the rate constant. The rate is independent of the concentration of reactants.
Was this answer helpful?
0
0
Top Questions on Kinetics
- A stone is dropped from a height of 45 m. What is the time taken for the stone to reach the ground?
- The potential energy of a body at a height of 10 meters is 200 J. What is its mass? (Take \( g = 10 \, \text{m/s}^2 \))
- A body of mass 2 kg is moving with a velocity of 3 m/s. What is its kinetic energy?
- For a first-order reaction, the rate constant is \(k = 0.01 \, \text{s}^{-1}\). What is the half-life of the reaction?
- Define molecularity and order of a reaction. Derive the integrated rate equation for the rate constant of first-order reaction.
View More Questions
Questions Asked in CBSE CLASS XII exam
- A coil of 60 turns and area \( 1.5 \times 10^{-3} \, \text{m}^2 \) carrying a current of 2 A lies in a vertical plane. It experiences a torque of 0.12 Nm when placed in a uniform horizontal magnetic field. The torque acting on the coil changes to 0.05 Nm after the coil is rotated about its diameter by 90°. Find the magnitude of the magnetic field.
- CBSE CLASS XII - 2025
- Magnetism and matter
- Determine the values of $x$ for which the function $f(x) = \frac{x-4}{x+1}$ is an increasing or a decreasing function.
- CBSE CLASS XII - 2025
- Application of derivatives
Complete and balance the following chemical equations: (a) \[ 2MnO_4^-(aq) + 10I^-(aq) + 16H^+(aq) \rightarrow \] (b) \[ Cr_2O_7^{2-}(aq) + 6Fe^{2+}(aq) + 14H^+(aq) \rightarrow \]
- CBSE CLASS XII - 2025
- Redox Reactions
- Two wires of the same material and the same radius have their lengths in the ratio 2:3. They are connected in parallel to a battery which supplies a current of 15 A. Find the current through the wires.
- CBSE CLASS XII - 2025
- Current electricity
- Arun, Bashir and Joseph were partners in a firm sharing profits and losses in the ratio of 5 : 3 : 2. They admitted Daksh as a new partner who acquired his share entirely from Arun. If Arun sacrificed \( \frac{1}{5} \)th from his share to Daksh, Daksh's share in the profits of the firm will be :
- CBSE CLASS XII - 2025
- Partnership Accounts
View More Questions