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    NEET 2026 Preparation Tips for Chemistry, Biology and Physics

    Molecularity of reaction MCQ - Practice Questions with Answers

    Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET

    Quick Facts

    • Molecularity of Reaction is considered one the most difficult concept.

    • 7 Questions around this concept.

    Solve by difficulty

    A reaction involving two different reactants can never be

    The molecularity of an elementary reaction
    $2 \mathrm{~A}+\mathrm{B} \longrightarrow 3 \mathrm{C}$ is.

    Molecularity of a reaction can never be

    Concepts Covered - 1

    Molecularity of Reaction

    The number of reacting species (atoms, ions or molecules) taking part in an elementary reaction which must collide simultaneously in order to bring about a chemical reaction is Molecularity.

    Description:

    NH_{4}NO_{2}\rightarrow N_{2}+2H_{2}O (unimolecular)

    H_{2}+I_{2}\rightarrow 2HI (bimolecular)

    2NO+O_{2}\rightarrow 2NO_{2} (trimolecular)

    Molecularity is the theoretical concept. It cannot be zero/non-integer

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    Molecularity of Reaction

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