Question

Which of the following type of isomerism is not shown by alkyl halides?
Opinions
1=Chain
2=Positional
3=Optical
4=Metamerism​

Answer 1

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Alkyl halides do not show functional isomerism. Alcohols and ethers, aldehydes and ketones, cyanides and isocyanides are functional isomers.

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Answer 2

Answer:

Two substances that have the exact same molecular formula but a different structural formula are said to be isomers.

Explanation:

Chain isomerism: This kind of isomerism is present in haloalkanes that include four or more carbon atoms. The variation in the carbon chain is often what causes this isomerism to be seen.

Positional isomerism: This kind of isomerism is present in haloalkanes that include three or more carbon atoms. The variation in the halogen group's position is what causes this isomerism to occur.

Optical isomerism: Optically stereoisomers haloalkanes are those that have the same chemical and structural formula but differ in how their atoms or groups of atoms are arranged in space and have a tendency to rotate the plane of polarised light. This phenomenon is known as optical isomerism.

Metamerism: Metamers are isomers with the same chemical formula on both sides of functional groups but different alkyl groups. Metamerism is the term given to this isomerism phenomenon.

Thus, the type of isomerism which is not shown by alkyl halide is metamerism.

Hence the correct option is (4) Metamerism.

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