Related Questions

Which of the following is an autocatalytic reaction?
A Photochemical reactions
B Microbial fermentation reaction
C Enzyme fermentation reaction
D Ammonia synthesis reaction
In autocatalytic reactions,
A One of the reactants acts as a catalyst
B One of the products acts as a catalyst
C Catalysts have very high selectivity
D No catalyst is used
Autocatalytic reactions are best carried out in a
A CSTR
B CSTR in series
C Plug flow reactor
D Recycle reactor
For an autocatalytic reactor, the suitable reactor set up is
A P.F. reactors in series
B CSTR in series
C CSTR followed by P.F. reactor
D P.F. reactor followed by CSTR
The rate of forward reaction, at chemical equilibrium is____the rate of backward reaction.
A More than
B Less than
C Equal to
D Either B or C
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are
A Always irreversible
B Insensitive to temperature changes
C Mostly irreversible
D Highly temperature sensitive
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)
A $$ \propto {\text{CA}}$$
B $$ \propto \frac{1}{{{\text{CA}}}}$$
C Independent of temperature
D None of these
As the chemical reaction proceeds, the rate of reaction
A Increases
B Decreases
C Remains same
D May increase or decrease depending on the type of reaction
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.
A Zero order
B Third order
C Consecutive
D None of these

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