The rate of reaction of a/an ______________ reaction is not affected by temperature rise ?
A. Autocatalytic
B. Photochemical
C. Consecutive
D. Zero order
Month: February 2019
The energy balance equation over a tubular reactor under transient conditions is________________?
The energy balance equation over a tubular reactor under transient conditions is________________?
A. An ordinary non-linear differential equation
B. An algebraic differential equation
C. A linear partial differential equation
D. A non-linear partial differential equation
Exothermic reactions are best carried out in ________________?
Exothermic reactions are best carried out in ________________?
A. A CSTR
B. CSTR in series
C. A plug flow reactor followed by CSTR
D. CSTR followed by a plug flow reactor
The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the__________________?
The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the__________________?
A. Reaction is elementary with a molecularity of 2
B. Molecularity of the reaction is 2, but the reaction may not be elementary
C. Reaction may be elementary with molecularity of 2
D. Reaction is elementary but the molecularity may not be 2
Backmixing is most predominant in___________________?
Backmixing is most predominant in___________________?
A. A well stirred batch reactor
B. A plug-flow reactor
C. A single CSTR
D. CSTR’s connected in series
For the chemical reaction X → Y, it is observed that, on doubling the concentration of ‘X’, the reaction rate quadruples. If the reaction rate is proportional to Cx n, then what is the value of „n‟ ?
For the chemical reaction X → Y, it is observed that, on doubling the concentration of ‘X’, the reaction rate quadruples. If the reaction rate is proportional to Cx n, then what is the value of „n‟ ?
A. 1/4
B. 2
C. 4
D. 16
An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is ___________________?
An endothermic second order reaction is carried out in an adiabatic plug flow reactor. The rate of heat generation is ___________________?
A. Maximum at the inlet of the reactor
B. Maximum at the exit of the reactor
C. Maximum at the centre of the reactor
D. Constant throughout the reactor
PM khan launched first phase of the countrywide Sehat Insaf Card scheme on___________?
PM khan launched first phase of the countrywide Sehat Insaf Card scheme on___________?A. 27th December 2018
B. 28th January 2019
C. 4th February 2019
D. None of These
B. 28th January 2019
C. 4th February 2019
D. None of These
The decomposition of A into B is represented by the exothermic reaction, A ⇌ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction ?
The decomposition of A into B is represented by the exothermic reaction, A ⇌ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction ?
A. At high P and high T
B. At low P and high T
C. At low P and low T
D. At high P and low T
The excess energy of the reactants required to dissociate into products is known as the ________________ energy?
The excess energy of the reactants required to dissociate into products is known as the ________________ energy?
A. Thermal
B. Activation
C. Threshold
D. Binding