Half life period of a first order irreversible reaction A → B is ______________________?

Related Mcqs:

If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the ________________ diffusion?

A. Film B. Ash layer C. Pore D. None of these...

Overall rate of reaction in a heterogeneous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually ________________ the concentration of catalyst, if it does not entail a chain mechanism?

A. Proportional to B. Independent of C. Inversely proportional to D. Proportional to the square of...

The first order gas phase reaction as shown in the bellow figure is conducted isothermally in batch mode. The rate of change of conversion with time is given by________________?

A. dXA/dt = k1 (1 – XA)2 (1 + 2XA) B. dXA/dt = k1 (1 – XA) (1 + 0.5XA) C. dXA/dt = k1 (1 – XA) D. dXA/dt = k1 (1 – XA)/(1 + XA)...

The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is __________________?

A. 0 B. 1 C. 1.5 D. 2...

If the rate of a chemical reaction becomes slower at a given temperature, then the__________________?

A. Initial concentration of the reactants remains constant B. Free energy of activation is lower C. Entropy changes D. Free energy of activation is higher...