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Byju's Answer
Standard XII
Chemistry
Order of Preference of Functional Groups
IUPAC name of...
Question
IUPAC name of the following is
C
H
2
=
C
H
−
C
H
2
−
C
H
2
−
C
≡
C
H
A
1, 5-hexenyne
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B
1-hexene-5-yne
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C
1-hexyne-5-ene
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D
1, 5-hexynene
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Solution
The correct option is
C
1-hexene-5-yne
The double bond gets priority over the triple bond.
So, the IUPAC name of the given formula
is hex-1-en-5-yne or 1-hexene-5-yne.
1
C
H
2
=
2
C
H
−
3
C
H
2
−
4
C
H
2
−
5
C
≡
6
C
H
Hence, the correct option is
B
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The IUPAC name of compound
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Q.
Give
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A
C
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−
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−
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−
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≡
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Q.
The IUPAC name of the compound
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≡
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is:
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Standard XII Chemistry
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