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Subject - Chemistry:

Basics

MCQ - 26-2212

Question:

Which of the following statements about the kinetics of the reaction H2(g) + Br2(g) → 2HBr (g) is definitely true?

  1. The reaction is first order with respect to bromine, Br2.
  2. The reaction is second order overall.
  3. The presence of hydrogen bromide, HBr, inhibits the rate of the reaction.
  4. The reaction is second order overall.

Correct Answer: D

Explanation:

The reaction between hydrogen,H2, and bromine, Br2, has been found to proceed by a complicated multistep radical reaction. The differential rate law, which is given as eqn 10.7, does not therefore have a simple form. In general, it is not possible to make any deductions about the kinetics of a reaction simply from the stoichiometry. Instead, it is necessary to consider the mechanism by which the reaction occurs.

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Read the MCQ statement: Which of the following statements about the kinetics of the reaction H2(g) + Br2(g) → 2HBr (g) is definitely true?, keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 26-2212.

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