WAEC Chemistry 2019 Objective — Question 15
Question 15 of 50 from the West African Examinations Council (WAEC) Chemistry 2019 Objective paper, with the correct answer and a full explanation.
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The name of the compound CH3C(CH3)2CH2CH2CH3 is
- A. 2-methyl butane
- B. 2,2-dimethyl butane
- C. 2-methyl pentane
- D. 2,2-dimethyl pentaneCorrect
Explanation
The longest chain has 5 carbons (pentane) with two methyl groups on carbon 2, giving the IUPAC name 2,2-dimethylpentane.
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