Q.

Which liquid among water and alcohol, has a lower boiling point (boils first) and can be used for distillation?

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a

Alcohol   

b

Water   

c

Both have the same boiling points   

d

None of these 

answer is A.

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Detailed Solution

Alcohol and water both have boiling points, but alcohol has a lower boiling point than water because alcohol and water have less hydrogen bonds between them. Since of this, alcohol can be utilised in distillation because it can evaporate at a lower temperature than water.
 
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