951. With increase in K2/K1 in case of a unimolecular type elementary reactions as shown in the bellow figure, the fractional yield of ‘R’ in mixed reactor (for a given conversion of ‘A’) ?
A. Decreases
B. Increases
C. Increases linearly
D. Remain same

952. The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the _______________ energy?
A. Activation
B. Potential
C. Binding
D. Threshold

953. Equilibrium of a chemical reaction as viewed by kinetics is a ______________ state?
A. Dynamic steady
B. Static steady
C. Dynamic unsteady
D. None of these

954. Kinetics of a catalytic reaction can be best studied on a/an ______________ reactor?
A. Mixed
B. Integral (plug flow)
C. Differential (flow)
D. Either A., B. and C.

955. Which of the following is the most suitable for very high pressure gas phase reaction ?
A. Batch reactor
B. Tubular flow reactor
C. Stirred tank reactor
D. Fluidised bed reactor

956. Helium-mercury method can be used to determine the _____________ of the catalyst particle?
A. Pore volume
B. Solid density
C. Porosity
D. All A., B., & C.

957. A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ?
A. ∝ CA
B. ∝ 1/CA
C. Independent of temperature
D. None of these

958. Which of the following is used for calcination of limestone and dolomite in industrial practice?
A. Fluidised bed reactor
B. Moving bed reactor
C. Fixed bed reactor
D. None of these

959. A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that _____________ in the two reactors?
A. Both conversion as well as concentration are same
B. Conversion in both will be the same but concentrations will be different
C. Both the conversion as well as concentrations will be different
D. None of these

960. Fractional conversion _____________ with increase in pressure for ammonia synthesis reaction i.e., N2 + 3H2 ⇌ 2NH3?
A. Increases
B. Decreases
C. Remains unchanged
D. Unpredictable from the data

NOTE
IF YOU THINK ANY OF THE MCQ ABOVE IS WRONG.
PLEASE COMMENT WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION IN COMMENT BOX.
THANK YOU

Leave a Reply