Organic Chemistry Some Basic Principles and Techniques - Result Question 13

####14. IUPAC name of the following is

[2002]

CH2=CHCH2CH2CCH

(a) 1,5-hexenyne

(b) 1-hexene-5-yne

(c) 1-hexyne-5-ene

(d) 1,5-hexynene

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Solution:

  1. (b) The IUPAC name of

C1H2=C2HC3H2C4H2C5C6H

is Hex-1-en-5-yne or 1-hexene-5-yne

The lowest number is given to the C=C double bond.



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