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MODEL PAPER 9 — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryMODEL PAPER 91 Mark
MCQ
Rate of reaction does not remain constant throughout because
  • A
    The density of reactants keep on changing
  • ✓
    Concentration of reactants keep on changing
  • C
    Volume of reactants keep on changing
  • D
    Temperature of reactants keep on changing
✓

Answer

Correct option: B.
Concentration of reactants keep on changing
(b) Concentration of reactants keep on changing.
Explanation: Rate of reaction is dependent on the concentration of reactants if the concentration of reactants change then the rate of reaction become non-uniform.

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