Chemical Engineering - Chemical Process
Exercise :: Chemical Process - Section 6
1.
In multistage equilibrium conversion of SO2 to SO3 (2SO2 + O2 3 ), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by
A. increasing the oxygen concentration. B. putting more quantity of V2 O5 catalyst in the converter. C. removing some quantity of SO3 during intermediate stage. D. maintaining low temperature & pressure in the converter.
Answer: Option C
Explanation:
2.
Tall oil obtained as a by-product from the black liquor recovery is
A. a black, sticky & viscous liquid. B. used in the manufacture of greases, emulsions & soaps. C. composed mainly of rosin & fatty acids. D. all (a), (b) & (c).
Answer: Option D
Explanation:
3.
__________ is a polysacchride.
Answer: Option B
Explanation:
4.
Styrene is produced from ethyl benzene by the process of
A. dehydrogenation B. oxidation C. alkylation D. dehydration
Answer: Option A
Explanation:
5.
Acetone is produced by catalytic dehydrogenation of
A. phenol B. naphthalene C. isopropanol D. ethyl benzene
Answer: Option C
Explanation:
2SO3), the reverse reaction becomes appreciable at a temperature of 550° C. The percentage equilibrium conversion of SO2 to SO3 can be increased by