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3. Chemical kinetics — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry3. Chemical kinetics1 Mark
MCQ
The energy of activation is
  • A
    The energy associated with the activated molecules
  • ✓
    Threshold energy -energy of normal molecules
  • C
    Threshold energy + energy of normal molecules
  • D
    Energy of products -energy of reactants
✓

Answer

Correct option: B.
Threshold energy -energy of normal molecules
b
(b)Activation energy is the energy needed by reactant molecules to gain threshold energy level.

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