For a reaction A + B → C + D if the concentration of A is doubled without altering the concentration of B, the rate gets doubled. If the concentration of B is increased by nine times without altering the concentration of A, the rate gets tripled. The order of the reaction is
|
In respect of the equation K = A–Ea / RT |
Answer | ||||||||||
|
The concentration of R in the reaction R → P was measured as a function of time and the following data is obtained
The order of the reaction is |
Answer | ||||||||||
|
A reaction involving two different reactants can never be |
Answer | ||||||||||
|
Which of the following statements for order of reaction is not correct? |
Answer | ||||||||||
|
The activation energy of a reaction at a given temperature is found to be 2.303 RT J mol–1. The ratio of rate constant to the Arrhenius factor is |
Answer | ||||||||||
|
The following mechanism has been proposed for the reaction of NO and Br2 to form NOBr NO(g) + Br2(g) ⇌ NOBr2(g) NOBr2(g) + NO(g) → 2NOBr(g) If the second step is rate determining step, the order of the reaction with respect to NO(g) is |
Answer | ||||||||||
|
The following data were obtained during the first order decomposition of 2A(g) → B(g) + C(s) at a constant volume and at a particular temperature.
The rate constant in min–1 is |
Answer | ||||||||||
|
Consider an endothermic reaction, X → Y with activation energies Eb and Ef respectively for the backward and forward reactions, respectively. In general, |
Answer | ||||||||||
|
Under the same reaction conditions, initial concentration of 1.386 mol dm–3 of a substance becomes half in 40 seconds and 20 seconds through first order and zero order kinetics respectively. Ratio $\left(\dfrac{k_1}{k_0}\right)$ of the rate constants for first order (k1) and zero order (k0) of the reaction is |
Answer | ||||||||||
|
The rate of a chemical reaction doubles for every 10°C rise of temperature. If the temperature is raised by 50°C, the rate of the reaction increases by about |
Answer |