Organic Chemistry Basics - Result Question 52

52. Write the IUPAC name of $\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}=\mathrm{CH}-\mathrm{COOH}$.

$(1986,1 \mathrm{M})$

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Solution:

  1. $ \stackrel{5}{\mathrm{C}} \mathrm{H}_3 \stackrel{4}{\mathrm{C}} \mathrm{H}_2-\stackrel{3}{\mathrm{C}} \mathrm{H}=\stackrel{2}{\mathrm{C}} \mathrm{H}-\stackrel{1}{\mathrm{COOH}} $

2-pentenoic acid or pent-2-enoic acid