Chemical Reaction MCQs

A. More uniform operating conditions
B. Permits operation at the optimum temperature for a long reaction time
C. Higher overall selectivity for a first order consecutive reaction
D. All a., b. and c.

A. K/2
B. Ln k/2
C. Ln 2/k
D. Ln 0.5/k

A. 1.0 to 10-8
B. 1.1 to 102
C. 0.1 to 0.9
D. None of these

A. Combustion of coal particles
B. Roasting of sulphide ores
C. Manufacture of carbon disulphide from elements
D. None of these

A. L √(k/d1)
B. 1/[l√(k/d1)]
C. 1
D. ∞

A. Single stirred tank (v = 5 litres)
B. Two stirred tank (each of 2.5 litres) in series
C. Stirred tank followed by tubular flow reactor (each of 2.5 litres)
D. Single tubular flow reactor (v = 5 litres)

A. 60
B. 75
C. 90
D. 100

A. Zero
B. First
C. Second
D. Fractional

A. Less than
B. Equal to
C. More than
D. Equal to or more than

A. Describes the extensive operating characteristics of a tubular flow reactor
B. Is the maximum feed rate per unit volume of reactor for a given conversion
C. Is a measure of the ease of the reaction
D. All a., b. and c.