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February 2019

A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is ______________ seconds?

Chemical Reaction /
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is ______________ seconds?

A. 1
B. 3
C. 1/3
D. 32

A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is ______________ seconds? Read More »

Chemical Reaction

With increase in initial concentration, the fractional conversion of a first order reaction in a given time___________________?

Chemical Reaction /
With increase in initial concentration, the fractional conversion of a first order reaction in a given time___________________?

A. Increases
B. Decreases
C. Remain constant
D. Unpredictable

With increase in initial concentration, the fractional conversion of a first order reaction in a given time___________________? Read More »

Chemical Reaction

In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for________________?

Chemical Reaction /
In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for________________?

A. Fast reactions in catalyst of small pore diameter
B. Fast reaction in catalyst of large pore diameter
C. Slow reactions in catalyst of small pore diameter
D. Slow reactions in catalyst of large pore diameter

In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for________________? Read More »

Chemical Reaction

Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in ______________ in conversion?

Chemical Reaction /
Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in ______________ in conversion?

A. Decrease
B. Increase
C. No change
D. Either A. or B., depends on the type of reaction

Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in ______________ in conversion? Read More »

Chemical Reaction