Number of primary carbon atoms present in isobutane
Correct answer: C. Three
- A. One
- B. Two
- C. Three
- D. Four - Incorrect. Isobutane does not have four primary carbon atoms.
Explanation
Three - Correct. Isobutane (C₄H₁₀) has three primary carbon atoms, each bonded to only one other carbon.
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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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