jee_main_2026_22_january_evening - Chemical Kinetics Topics

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QUESTION #57 Arrhenius Equation and Temperature Dependence
Correct statements regarding Arrhenius equation among the following are: (A) Factor e-Eₐ/RT corresponds to fraction of molecules having kinetic energy less than Eₐ. (B) At a given temperature, lower the Eₐ, faster is the reaction. (C) Increase in temperature by about 10^ doubles the rate of reaction. (D) Plot of k vs (1)/(T) gives a straight line with slope = -(Eₐ)/(R). Choose the correct answer from the options given below:
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QUESTION #75 Activation Energy Calculation
Consider A k₁ B and C k₂ D are two reactions. If the rate constant (k₁) of the A arrow B reaction can be expressed by the following equation ₁₀k = 14.34 - 1.5 × 10⁴T/K and activation energy of C arrow D reaction (Eₐ₂) is (1)/(5)th of the A arrow B reaction (Eₐ₁), then the value of (Eₐ₂) is ____ kJ mol⁻¹. (Nearest Integer)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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