Question Detail

CHM 102 Alkenes: Structure, Bonding, and Geometrical Isomerism Objective Question
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Question

What is the IUPAC name for CH3-CH2-CH=CH-CH3?
Options
A 1-Pentene
B 2-Pentene
Correct Answer
C Pentane
D 1-Butene
Correct Answer

Option B is the correct answer.

Detailed Explanation

The longest chain has 5 carbons (pentene), and the double bond is between C2 and C3, so 2-pentene. Numbering gives the double bond the lowest number.

Hint

Double bond starts at carbon 2.

Question Info

Course: CHM 102
Topic: Alkenes: Structure, Bonding, and Geometrical Isomerism
Type: Objective
Difficulty: Not specified
Question 165 of 1999
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