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Chemistry
Which statement is not correct about alcohol?
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Q. Which statement is not correct about alcohol?
Alcohols Phenols and Ethers
A
Alcohol of less no. of carbon atoms is less soluble in water than alcohol of high no. of carbon atoms.
25%
B
Alcohol is lighter than water.
13%
C
Alcohol evaporates quickly.
13%
D
All of these.
49%
Solution:
As the molecular weights of alcohols increases, the solubility in water decreases due to increase in hydrophobic group on the alcohol molecules.
$\xrightarrow[\text{Increasing hydrophobicity}]{CH_3 - OH, CH_3 - CH_2 - OH, CH_3 - CH_2 - CH_2 -OH}$