Find the alkane (C5H12), which will give only one type of monohalogenated compound
Correct answer: A. 2,2-dimethylpropane
- A. 2,2-dimethylpropane
- B. 2-methylbutane
- C. Cyclopentane
- D. n-pentane
Explanation
2,2-dimethylpropane is correct because it has a highly branched structure, which results in only one type of monohalogenated compound when a halogen (such as chlorine or bromine) is added. Due to its highly symmetric and branched nature, there's only one unique hydrogen atom that can be replaced by a halogen atom, leading to the formation of a single monohalogenated compound. The other hydrogen atoms are in identical chemical environments and thus would result in the same product.Option B, C, and D are incorrect because they do not possess the highly branched structure of 2,2-dimethylpropane, leading to the possibility of multiple monohalogenated compounds due to the presence of different types of hydrogen atoms or various positions for halogenation.
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About Chemistry of Hydrocarbons
Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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