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2 NO(g) + Cl2(g) → 2 NOCl(g) Rate = k [NO]^2 [Cl2] The value of rate constant can be increased by increasing the temperature and is independent of the initial concentration of the reactants.

1. Rate = k [NO]^2 [Cl2]
2. The value of rate constant can be increased by increasing the temperature.
3. The rate constant is independent of the initial concentration of the reactants.
4. All of the above.

Correct answer: All of the above.

Solution

All the statements are correct: the rate law is given, the rate constant increases with temperature (as per Arrhenius equation), and it is independent of reactant concentrations.

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