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Saturated and Unsaturated Hydrocarbons

Question

Given compounds: propyne, acetylene, butane, butanol, propene, ethane, and ethene. How many of these compounds are unsaturated?
7
4
6
5

A

4

B

7

C

6

D

5

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Solution

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Unsaturated compounds have double or triple bonds in their structures.
Propyne- Triple bond
Acetylene-Triple bond
Propene- Double bond
Ethene-Double bond
Butane, butanol, and ethane have single bonds, hence are saturated compounds.
So, the correct option is B.

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