A multiple reaction may be classified as a ________________ reaction?
A. Consecutive or side
B. Parallel or side
C. Mixed
D. All A., B. and C.
Chemical Reaction
Molecularity of a reaction__________________?
Molecularity of a reaction__________________?
A. Is always equal to the overall order of reaction
B. May not be equal to the order of reaction
C. Can’t have a fractional value
D. Both B. and C.
A balanced chemical reaction equation conforms to the law of________________?
A balanced chemical reaction equation conforms to the law of________________?
A. Conservation of mass
B. Avogadro’s hypothesis
C. Gaseous volumes
D. None of these
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in ___________________?
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in ___________________?
A. Blood
B. Saliva
C. Intestine
D. Gland
Which of the following chemical reactions will be favoured by low pressure ?
Which of the following chemical reactions will be favoured by low pressure ?
A. 2HI ⇌ H2 + I2
B. N2O2 ⇌ 2NO2
C. N2 + O2 ⇌ 2NO
D. None of these
An isothermal aqueous phase reversible reaction, P ⇌ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP – 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is_________________?
An isothermal aqueous phase reversible reaction, P ⇌ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP – 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is_________________?
A. 0.80
B. 1.33
C. 1.60
D. 2.67
The performance of a cascade of CSTR’s can be improved by adding__________________?
The performance of a cascade of CSTR’s can be improved by adding__________________?
A. A P.F. reactor in series
B. A P.F. reactor in parallel
C. More CSTR’s in series
D. More CSTR’s in parallel
According to Arrhenius equation of temperature dependency of rate constant for an elementary reaction _________________?
According to Arrhenius equation of temperature dependency of rate constant for an elementary reaction _________________?
A. k ∝ √T
B. k ∝ e-E/RT
C. k ∝ T e-E/RT
D. None of these
When the reaction is dominated by intraparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ________________?
When the reaction is dominated by intraparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ________________?
A. nD = (n + 1)/2
B. nD = n/2
C. nD = n + 1
D. None of these
The equilibrium constant for the reversible reaction as shown in the bellow figure, is affected by the__________________?
The equilibrium constant for the reversible reaction as shown in the bellow figure, is affected by the__________________?
A. Temperature of the system
B. Presence or absence of inerts
C. Pressure of the system
D. Kinetics of the reaction