Question

why butane undergoes substitution reactions?
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Answer 1

Explanation:

it is d property of alkane...

Answer 2

Alkanes undergo free radical substitutions.

• A substitution reaction is a type of reaction where a part of a molecule is removed and replaced.
• The most common substitution reaction we perform on alkanes is the reaction of alkanes with elemental halogens
• When alkanes react with halogens, hydrogen atoms are substituted with halogen atoms and the products are haloalkanes.
• The product of substitution reaction may be a mixture of products
• They may be mono or more substituted.

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