Why do saturated hydrocarbons generally not undergo addition reactions?
Answer and explanation
Correct answer: Because they do not have double or triple bonds
The governing concept is that addition reactions occur readily at unsaturated carbon–carbon bonds. Saturated hydrocarbons, such as alkanes, contain only carbon–carbon and carbon–hydrogen single bonds and already have the maximum possible number of hydrogen atoms. Since there is no carbon–carbon double or triple bond whose pi bond can open to accept new atoms, addition is generally not their characteristic reaction. Therefore option A is correct.
Frequently asked questions
What is the correct answer to this question?
Because they do not have double or triple bonds
Why is this the correct answer?
The governing concept is that addition reactions occur readily at unsaturated carbon–carbon bonds. Saturated hydrocarbons, such as alkanes, contain only carbon–carbon and carbon–hydrogen single bonds and already have the maximum possible number of hydrogen atoms. Since there is no carbon–carbon double or triple bond whose pi bond can open to accept new atoms, addition is generally not their characteristic reaction. Therefore option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Carbon and its Compounds. Topic: Hydrocarbons.
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