Pick out the correct statement?

Chemical Reaction 08/06/2020

A. A lower temperature favours the reaction of lower activation energy
B. The dispersion number for a reactor/vessel is uL/D
C. The rate controlling step in a reaction involving many steps is the fastest step
D. Pore volume and porosity of a catalyst is measured by Brunauer-Emmett-Teller (BET)
technique

Related Mcqs:

    Catalyst is a substance, which ________________ chemical reaction?
    A. Increases the speed of a B. Decreases the speed of a C. Can either increase or decrease the speed of a D. Alters the value of equilibrium constant in a reversible...
    Promoter_____________________?
    A. Initiates a chemical reaction and is a catalyst by itself B. Alters the position of equilibrium in a reversible reaction C. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals D. All A., B. and C....
    For a _____________ order reaction, the units of rate constant and rate of reaction are the same ?
    A. Zero B. First C. Second D. Fractional...
    A rise in temperature ______________________?
    A. Normally tends to increase the reaction rate B. Does not affect a catalysed reaction C. Does not affect photo-chemical reaction rates D. All A., B. and C....
    For the irreversible elementary reactions in parallel as shown in the bellow figure, the rate of disappearance of ‘X’ is equal to_______________?
    A. CA (K1 + K2) B. CA (K1 + K2)/2 C. CA . K1/2 D. CA . K2/2...

Leave a Reply

Your email address will not be published. Required fields are marked *