$C H_{3} - C H_{2} - C H = C H_{2}$ What is the IUPAC name of the following compound?

Butane

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But-2-ene

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1-Butene

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None of these

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Solution

The correct option is C
1-Butene

Now, you can easily find out the word root.

4 carbons $\Rightarrow$ word root = but

Assign numbers to carbon chain so that double bond gets the least number.

Therefore,1-Butene

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Similar questions

The IUPAC name of the following compound is?

$C H_{3} - C H_{2} - C H_{2} - C | H C H_{3} - C H_{2} - C H_{3} | C H - C H_{3}$

C H_{3} - C H_{2} - C H_{3} | C H - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{2} - C H_{3} | C H - C H_{3}

C H_{3} - C H_{2} - O H | C H - C H_{2} - C H_{2} - C | H C H_{3} - C H_{2} - C H_{3}

C H_{3} - C H_{2} - C H_{2} - C H_{2} - C H | C H_{3} - C | C H_{3} - C H_{3} - C H_{2} - C H_{3} | C H - C H_{2} - C H_{2} - C H_{2} - C H_{3}

C H_{2} = C H - C H_{2} - C H_{2} - C H_{3}

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