Which of the following is correct? (1) Molecularity of a reaction can be fractional (2) Zero ord...

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Which of the following is correct?
(1) Molecularity of a reaction can be fractional
(2) Zero order reaction never stops
(3) A first order reaction must be homogeneous
(4) The frequency factor \( A \) in Arrhenius equation \( \left(\mathrm{k}=\mathrm{Ae}^{-\mathrm{E}_{\mathrm{a}} / \mathrm{RT}}\right) \) increases with increase in temperature
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