A chemical reaction occurs, when the energy of the reacting molecules is ________________ the activation energy of reaction?

Related Mcqs:

In case of the irreversible unimolecular type, first order reaction, the fractional conversion at any time for constant volume system as compared to variable volume system is___________________?

A. More B. Less C. Same D. Either A. or B., depends on other factors...

For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?

A. 1/(time)n B. (Concentration)1 – n/(time) C. (Concentration)n – 1/(time) D. None of these...

For series reaction, the relative yield__________________?

A. Is always greater for plug-flow reactor than for the single CSTR of the same volume B. Statement in A. is wrong C. Decreases with increasing conversion D. Both A. and C. hold good...

Photo-chemical reactions occur in presence of ___________________?

A. Sunlight B. Darkness C. Solid catalysts D. Monochromatic radiation only...

A chemical reaction, A → 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is ___________________?

A. 0.33 B. 0.5 C. 1 D. Data insufficient, can’t be predicted...