Chemical Reaction

Which of the following is not a theory of homogeneous reaction ?

Byadmin February 20, 2019August 23, 2021

Which of the following is not a theory of homogeneous reaction ?

A. Collision theory and activated complex theory
B. Chain reaction theory
C. Radiation hypothesis
D. None of these

Chemical Reaction

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?

In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?

A. Remain the same
B. Be halved
C. Also be doubled
D. Become one fourth

Read More In a reversible chemical reaction having two reactants in equilibrium, if the concentration of the reactants are doubled, then the equilibrium constant will________________?
Chemical Reaction

From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is___________________?

From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is___________________?

A. k cal
B. k cal/°K
C. °K
D. k cal. °K

Read More From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is___________________?
Chemical Reaction

For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ________________ is the controlling resistance?

For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ________________ is the controlling resistance?

A. Film diffusion
B. Diffusion through ash layer
C. Chemical reaction
D. Either A., B. or C.

Read More For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ________________ is the controlling resistance?
Chemical Reaction

A rise in temperature ______________________?

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.

Read More A rise in temperature ______________________?
Chemical Reaction

Arrhenius equation represents graphically the variation between the ______________ and temperature?

Arrhenius equation represents graphically the variation between the ______________ and temperature?

A. Rate of reaction
B. Frequency factor
C. Rate constant
D. Activation energy

Read More Arrhenius equation represents graphically the variation between the ______________ and temperature?
Chemical Reaction

In an ideal tubular-flow reactor_________________?

In an ideal tubular-flow reactor_________________?

A. There is no mixing in longitudinal direction
B. Mixing takes place in radial direction
C. There is a uniform velocity across the radius
D. All A., B. and C.

Read More In an ideal tubular-flow reactor_________________?

Similar Posts