In a semi-batch reactor,
The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is
Half life period of a chemical reaction is
For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor.
For an autocatalytic reactor, the suitable reactor set up is
Ionic reactions occur in
Most important characteristics of gas-liquid reactors are the
Pick out the wrong statement pertaining to space velocity of flow reactors.
Transition state theory relates the above quantities as
For every 10°C rise in temperature, the rate of chemical reaction doubles. When the temperature is increased fromto 70°C, the rate of reaction increases __________ times.
Sometimes, batch process is preferred over continuous process, when the product
Transition state theory relates the above quantities as
A reactor is generally termed as an autoclave, when it is a
The single parameter model proposed for describing non-ideal flow is the __________ model.
A first order reaction requires two equal sized CSTR. The conversion is
6 gm of carbon is burnt with an amount of air containinggm oxygen. The product contains 16.5 gms CO2 and 2.8 gms CO besides other constituents. What is the degree of conversion on the basis of disappearance of limiting reactant ?
Transition state theory relates the above quantities as
A first order reaction requires two equal sized CSTR. The conversion is
Most important characteristics of gas-liquid reactors are the
The reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.
The rate at which a chemical substance reacts is proportional to its
A batch reactor is characterised by
A typical example of an exothermic reversible reaction conducted at high pressure in industry is
Study of chemical kinetics is the easiest in the case of __________ reactions.
The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt
An imbalanced chemical reaction equation is against the law of
A plug-flow reactor is characterised by
Which of the following is the most suitable for very high pressure gas phase reaction ?
A batch reactor is characterised by
When a catalyst increases the rate of forward reaction, the value of rate constant
Rate determining step in a reaction consisting of a number of steps in series is the __________ step.
In autocatalytic reactions,
Pick out the wrong statement.
Rate determining step in a reaction consisting of a number of steps in series is the __________ step.
A batch reactor is
Which of the following is a characteristic of an ideal plug flow reactor ?
The rate constant of a chemical reaction decreases by decreasing the
The increase in the rate of reaction with temperature is due to
For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good.
The reaction between oxygen and organic material is a/an __________ reaction.
A batch reactor is
Semibatch reactor is preferred, when a/an
For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption.
Sulphuric acid is used as a catalyst in the
Which of the following will give maximum gas conversion ?
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to
The catalyst in a second order reversible reaction increases the rate of the forward reaction
A backmix reactor
Velocity of a reaction depends upon the
A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length