شرح مستقل کی اکائی ______ پر منحصر ہے؟
A. Activation energy of the reaction
B. None of these
C. Molecularity of the reaction
D. Order of the reaction
Explanation
The unit of the rate constant varies with the order of the reaction in rate law equations. Different reaction orders have different dimensions for the rate constant (e.g., s⁻¹ for first-order, M⁻¹s⁻¹ for second-order). Show/Hide Explanation
اگر رد عمل کی شرح ارتکاز کے ساتھ تبدیل نہیں ہوتی ہے تو یہ ______ ہے؟
A. Intermediate step
B. Not possible
C. First step
D. Zero order reaction
Explanation
If a reaction rate does not change with concentration, then it is Zero order . In zero-order reactions, the rate is constant and independent of the concentration of the reactants. It means that changes in concentration do not affect the reaction rate.
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A. Rate = k[A]^a[B]^b
B. Rate = k[A]^a
C. Rate = k[B]^2
D. Rate = k[A][B]
Explanation
The correct rate equation for the hypothetical reaction aA + bB → cC + dD is Rate = k[A]^a[B]^b.
This equation indicates that the rate of reaction depends on the concentrations of reactants A and B raised to the power of their respective stoichiometric coefficients.
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