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11 May, 01:25

A decrease is the concentration of nitrogen monoxide (blank#1) between NO and H2 molecules. The rate of the forward reaction then (blank#2).

options #1 -

stabilizes the forward reaction

increases the energy

decreases the collisions

options #2 -

remains constant

increases

decreases

+2
Answers (1)
  1. 11 May, 02:12
    0
    In the given situation, the reaction is-

    NO + H2 ↔ Products

    The rate of the reaction can be expressed (in terms of the decrease in the concentration of the reactants) as-

    Rate = - dΔ[NO]/dt = - dΔ[H2]/dt

    Now, if the concentration of NO is decreased there will be fewer molecules of the reactant NO which would decrease the its collision with H2. As a result the rate of the forward reaction would also decrease.

    Ans) A decrease in the concentration of nitrogen monoxide decreases the collisions between NO and H2 molecules. the rate of the forward reaction then decreases.
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