Questions: Pentane has three structural isomers. True False

Pentane has three structural isomers. True False
Transcript text: Pentane has three structural isomers. True False
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Solution

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Solution Steps

Step 1: Understanding Structural Isomers

Structural isomers are compounds that have the same molecular formula but different structural arrangements of atoms. For a given molecular formula, the number of possible structural isomers depends on the complexity of the molecule.

Step 2: Analyzing Pentane

Pentane is an alkane with the molecular formula \( \text{C}_5\text{H}_{12} \). To determine the number of structural isomers, we need to consider all possible ways to arrange the carbon atoms while maintaining the same molecular formula.

Step 3: Identifying the Structural Isomers of Pentane

For pentane (\(\text{C}_5\text{H}_{12}\)), the three structural isomers are:

  1. n-Pentane: A straight-chain alkane with all five carbon atoms in a row.
  2. Isopentane (or 2-methylbutane): A branched-chain alkane with four carbon atoms in a row and a methyl group attached to the second carbon.
  3. Neopentane (or 2,2-dimethylpropane): A more compact branched-chain alkane with three carbon atoms in a row and two methyl groups attached to the central carbon.

Final Answer

The statement is true. Pentane has three structural isomers.

\(\boxed{\text{True}}\)

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