RE-NEET Chemistry Chemical Kinetics Class 12 Questions
5 questions
For an elementary chemical reaction, the Arrhenius plot is given below. If the energy of activation is 6.64 kJ mol⁻¹ and R = 8.3 J K⁻¹ mol⁻¹, the temperature at which the rate constant becomes e² min⁻¹ is
2A → B is a zero-order reaction, where k = 1.0 mol L⁻¹ min⁻¹. If the initial concentration of A is 2 M, then the time taken to complete 75% of the reaction will be
Following data is for a reaction between reactants A and B: Rate [A] [B] mol L⁻¹ s⁻¹ 2 × 10⁻³ 0.1 M 0.1 M 4 × 10⁻³ 0.2 M 0.1 M 1.6 × 10⁻² 0.2 M 0.2 M The order of the reaction with respect to A and B, respectively, are
Which of the following plot represents the variation of ln k versus 1/T in accordance with Arrhenius equation?
Rate constants of a reaction at 500 K and 700 K are 0.04 s⁻¹ and 0.14 s⁻¹, respectively; then, activation energy of the reaction is: (Given: log3.5 = 0.5441, R = 8.31 J K⁻¹ mol⁻¹)