IUPAC name of the following compound is CH 3- CH - CH - C - -A- 5-Pentyn-3-eneB- 3 -Penten-1-yneC- 1-Pentyn-3-eneD- None of these

The correct option is B 3 Penten 1 yne 15CH_3 24CH=33CH 42C≡51CH From lowest sum rule, we will select 1,3 and not 2,4 Five carbons⇒ word root = pent 3 Penten ...

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Standard X

Chemistry

Introduction to Alkanes

IUPAC name of...

Question

IUPAC name of the following compound is $C H_{3} - C H = C H - C \equiv$ ?

5-Pentyn-3-ene

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3-Penten-1-yne

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1-Pentyn-3-ene

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None of these

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Solution

The correct option is B
3-Penten-1-yne

$1 C H_{3} 5 - 2 C H 4 = 3 C H 3 - 4 C 2 \equiv 5 C H 1$

From lowest sum rule, we will select $1, 3$ and not $2, 4$

Five carbons $\Rightarrow$ word root = pent

3-Penten-1-yne

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IUPAC name of the following compound is CH3−CH=CH−C≡?

The correct option is B 3-Penten-1-yne 1CH35−2CH4=3CH3−4C2≡5CH1 From lowest sum rule, we will select 1,3 and not 2,4 Five carbons⇒ word root = pent 3-Penten-1-yne

IUPAC name of the following compound is $C H_{3} - C H = C H - C \equiv$ ?

The correct option is B
3-Penten-1-yne

$1 C H_{3} 5 - 2 C H 4 = 3 C H 3 - 4 C 2 \equiv 5 C H 1$

From lowest sum rule, we will select $1, 3$ and not $2, 4$

Five carbons $\Rightarrow$ word root = pent

3-Penten-1-yne