Question on: JAMB Chemistry - 2023
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Which of the following alkanes has a straight-chain structure?
A
Cyclopentane (C5H10)
B
Isobutane (C4H10)
C
Butane (C4H10)
D
Pentane (C5H12)
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Correct Option: D
The question asks for the alkane with a straight-chain structure.
* **Butane (C4H10)** and **Pentane (C5H12)** can exist in straight-chain forms.
* **Isobutane (C4H10)** has a branched-chain structure.
* **Cyclopentane (C5H10)** is a cyclic alkane, and thus, does not have a straight-chain structure.
Therefore, the correct answer is Butane and Pentane. However, only Butane is provided as an option.
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