Chemical Engineering - Chemical Reaction Engineering

36. 

With increase in K2/K1 in case of a unimolecular type elementary reactions, the fractional yield of 'R' in mixed reactor (for a given conversion of 'A')

A. decreases
B. increases
C. increases linearly
D. remains same

Answer: Option A

Explanation:

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37. 

Collision theory gives the rate constant for bimolecular reaction as

A. K α T.e-E/RT
B. K α eE/RT
C. K α e-E/RT
D. none of these

Answer: Option C

Explanation:

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38. 

Find a mechanism that is consistent with the rate equation and reaction given below:
2A + B A2B, ( - rA) = k.CA.CB

A. A + B AB ; AB + A A2B
B. A + B AB;AB + A A2B
C. A + A AA;AA + B A2B
D. A + A AA;AA + B A2B

Answer: Option D

Explanation:

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39. 

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

Answer: Option B

Explanation:

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40. 

The temperature dependence of reaction rate constant (K) by Arhenius law is given by

A. K α e-E/RT
B. K α eE/RT
C. K α T . e-E/RT
D. K α T . e-E/RT

Answer: Option A

Explanation:

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