Organic chemistry: Hydrocarbons derivatives and alcohols – Quiz 9

written by gogorabei | June 10, 2023

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#1. 28) The boiling point of alcohols increases as the number of ……. groups increases.

(a) alkyl

(a) alkyl

(b) Hydroxyl

(b) Hydroxyl

(c) aryl

(c) aryl

(d) (a). (b) and (c)

(d) (a). (b) and (c)

#2. 29) The alcohol that has the highest boiling point is …….

(a) ethylene glycol,

(a) ethylene glycol,

(b) Glycerol.

(b) Glycerol.

(c) ethanol.

(c) ethanol.

(d) methanol.

(d) methanol.

#3. (30) If the molecular weights of each of the following C2H6 CH3OHCH3F are nearly So, the right ascending arrangement of their boiling points is ……..

(a) C2H6 < CH2OH < CH3F

(a) C2H6 < CH2OH < CH3F

(b) CH3F < CH3OH < C₂H6

(b) CH3F < CH3OH < C₂H6

(c) CH3OH < CH3F < C₂H6

(c) CH3OH < CH3F < C₂H6

(d) C2H6 < CH3F < CH3OH..

(d) C2H6 < CH3F < CH3OH..