A. Toluene-benzene
B. Acetone-carbon disulphide
C. Water-isobutyl alcohol
D. None of these
Related Mcqs:
- Pick out the system with minimum boiling azeotrope at 1 atm ?
A. Benzene-toluene
B. Ethyl alcohol-water
C. Hydrochloric acid-water
D. All A., B. and C. - Which of the following binary systems is an example of a maximum boiling azeotrope ?
A. Water-hydrochloric acid
B. Acetone-carbon disulphide
C. Water-ethyl alcohol
D. n-heptane-n-octane - At what percentage (by volume) of alcohol composition, it forms an azeotrope with water ?
A. 90
B. 91.5
C. 95
D. 99 - Which of the following mixtures does not form an azeotrope at atmospheric pressure ?
A. Water-alcohol
B. Methyl alcohol-acetone
C. Butyl acetate-water
D. None of these - Absorption accompanied with chemical reaction is exemplified by the absorption of___________________?
A. Ammonia in water
B. Benzol present in coke oven gas by wash oil
C. SO2 in alkaline solution
D. All A., B. and C. - The boiling points of pure components of a binary system ________________ with increase in total pressure of the system ?
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease, depends on the system - At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes_____________________?
A. 1
B. 0
C. ∞
D. None of these - At the boiling point of the liquid at the prevailing pressure, the saturated absolute humidity becomes______________________?
A. 1
B. 0
C. ∞
D. None of these - Steam distillation is used for separation of high boiling ____________________?
A. Substances from non-volatile impurities
B. Volatile impurity from still higher boiling substances
C. Both A. and B.
D. Neither A. nor B. - Boiling point diagram is not affected by the ambient______________________?
A. Pressure
B. Humidity
C. Temperature
D. Both B. and C.
