Chemical Engineering - Chemical Reaction Engineering

26. 

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

A. increases
B. decreases
C. remains constant
D. unpredictable

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

27. 

The rate of reaction of a/an __________ reaction is not affected by temperature rise.

A. autocatalytic
B. photochemical
C. consecutive
D. zero order.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

28. 

With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.

A. increases
B. decreases
C. remains unaffected
D. unpredictable from the data

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

29. 

Half-life period for a first order reaction is __________ the initial concentration of the reactant.

A. directly proportional to
B. inversely proportional to
C. independent of
D. none of these

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

30. 

Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison.

A. deposited
B. chemisorbed
C. selectivity
D. stability

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.