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STD 12 - 3. Chemical kinetics — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 3. Chemical kinetics4 Marks
MCQ
The half life of a first order reaction is
  • ✓
    Independent of the initial concentration of the reactant
  • B
    Directly proportional to the initial concentration of the reactants
  • C
    Inversely proportional to the initial concentration of the reactant
  • D
    Directly proportional to the square of the initial concentration of the reactant
✓

Answer

Correct option: A.
Independent of the initial concentration of the reactant
a
(a)For $1^{st}$ order reaction half life is independent of concentration.

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