The number of isomers of C6H14 is:
Correct answer: B. 5
- A. 4
- B. 5
- C. 6
- D. 7
Explanation
C6H14 is a saturated hydrocarbon of the alkane family, with the molecular formula CnH2n+2, where n = 6. It is also known as hexane, which has six carbon atoms and 14 hydrogen atoms. The isomers of C6H14 are formed by arranging the carbon atoms in different ways, with different arrangements of the hydrogen atoms. The possible isomers of C6H14 are: 1. n-hexane - This is the straight-chain isomer of C6H14, with all six carbon atoms arranged in a straight line. 2. 2-methylpentane - This is a branched-chain isomer of C6H14, with one methyl group (-CH3) attached to the second carbon atom in the chain. 3. 3-methylpentane - This is another branched-chain isomer of C6H14, with one methyl group attached to the third carbon atom in the chain. 4. 2,3-dimethylbutane - This is a branched-chain isomer of C6H14, with two methyl groups attached to the second and third carbon atoms in the chain. 5. 2,2-dimethylpentane - This is a branched-chain isomer of C6H14, with two methyl groups attached to the second carbon atom in the chain. 6. 3,3-dimethylpentane - This is another branched-chain isomer of C6H14, with two methyl groups attached to the third carbon atom in the chain. Thus, there are six possible isomers of C6H14, and the correct answer is option C - 6.
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About Fundamental Principles of Organic Chemistry
Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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