What is the difference between isopentane and neopentane structures?

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lso has two ${CH}_{3}$ group and neo has two ${CH}_{3}$ on the C atom next to end C atom.

Iso has one ${CH}_{3}$ group and neo has two ${CH}_{3}$ on the C atom next to the end C atom.

None of the above

Iso has two ${CH}_{3}$ group and neo has three ${CH}_{3}$ on the C atom next to end C atom

answer is D.

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Detailed Solution

Both isopentane and neopentane have the same chemical formula $C_{5} H_{12}$ .

Isopentane is a five-carbon-atom chemical with a single branching chain. The structure of isopentane is

Neopentane is a chemical compound having five carbon atoms and two or more branching chains. The structure of neopentane is -

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The structure of isopentane differs from that of neopentane in that isopentane has a four-membered carbon chain with a single methyl group attached to the second carbon atom. Neopentane, on the other hand, has four methyl groups connected to a carbon atom in the middle. Thus, the correct option is D.

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