For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased from 30 to 70°C, the rate of reaction increases ______________ times?

Related Mcqs:

B.E.T. method can be used to determine the ___________________ of a porous catalyst?

A. Solid density B. Pore volume C. Surface area D. All A., B. and C....

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...

With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be__________________?

A. Higher in P.F. reactor B. Higher in CSTR C. Same in both the reactors D. Data insufficient; can’t be predicted...

For the same residence time, which one will give the maximum conversion ?

A. Single stirred tank (v = 5 litres) B. Two stirred tank (each of 2.5 litres) in series C. Stirred tank followed by tubular flow reactor (each of 2.5 litres) D. Single tubular flow reactor (v = 5 litres)...

A reaction which is catalysed by a base is catalysed by all substances which have a tendency to_______________________?

A. Lose a proton B. Gain a proton C. Gain an electron D. None of these...