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Chemical Reaction

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

August 23, 2021February 19, 2019 by admin
Arrhenius equation represents graphically the variation between the ______________ and temperature?

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

Categories Chemical Reaction

The extent of a reaction is ___________________?

August 23, 2021February 19, 2019 by admin
The extent of a reaction is ___________________?

A. Different for reactants and products
B. Dimensionless
C. Depends on the stoichiometric co-efficient
D. All of the above

Categories Chemical Reaction

For the reversible reaction A ⇌ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?

August 23, 2021February 19, 2019 by admin
For the reversible reaction A ⇌ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium ?

A. 0.253
B. 0.338
C. 0.152
D. 0.637

Categories Chemical Reaction

Bulk diffusion in catalyst pore _______________ with increase in pressure?

August 23, 2021February 19, 2019 by admin
Bulk diffusion in catalyst pore _______________ with increase in pressure?

A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially

Categories Chemical Reaction

Autocatalytic reactions are best carried out in a_________________?

August 23, 2021February 19, 2019 by admin
Autocatalytic reactions are best carried out in a_________________?

A. CSTR
B. CSTR in series
C. Plug flow reactor
D. Recycle reactor

Categories Chemical Reaction

Cold shot cooling is only practical when the feed temperature is ______________ than the reaction temperature?

August 23, 2021February 19, 2019 by admin
Cold shot cooling is only practical when the feed temperature is ______________ than the reaction temperature?

A. Higher
B. Much higher
C. Lower
D. Much lower

Categories Chemical Reaction

The rate constant of a reaction is a function of the ___________________?

August 23, 2021February 19, 2019 by admin
The rate constant of a reaction is a function of the ___________________?

A. Time of reaction
B. Temperature of the system
C. Extent of reaction
D. Initial concentration of the reactants

Categories Chemical Reaction

The vessel dispersion number (D/μL) for plug flow is_________________?

August 23, 2021February 19, 2019 by admin
The vessel dispersion number (D/μL) for plug flow is_________________?

A. 0
B. 500
C. 750
D. ∞

Categories Chemical Reaction

A catalyst promoter_________________?

August 23, 2021February 19, 2019 by admin
A catalyst promoter_________________?

A. Improves the activity of a catalyst
B. Acts as a catalyst support
C. Itself has very high activity
D. All A., B. and C.

Categories Chemical Reaction

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

August 23, 2021February 19, 2019 by admin
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

Categories Chemical Reaction
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