Chemical Kinetics

Define the term ‘order of reaction’ for chemical reactions.

The sum of powers of the concentration of the reactants in the rate law expression is called the order of that chemical reaction.
Order of a reaction can be 0, 1, 2, 3 and even a fraction.

For example for a reaction

Rate = k [A]^x [B]^y
order = x + y

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What information can we had from the statement that the energy of activation of a reaction is zero?

Define collision frequency factor.

Which of the reactions slow or fast, will have higher activation energy?

For the reaction H₂ + I₂ → 2HI, What is the molecularity of the reaction?

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