Question

What is the IUPAC name of
this compound? ( CLASS 11 )
​

Answer 1

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2 cyclo propyl ethene

This is because, the alkyl group gets second preference and the double bon gets the first preference

Answer 2

Explanation:

IUPAC Name of this structure is 1-cyclopropyl Ethene

Additional information :-

Well, In your mind this question is coming that "How this structure name is written 1-cyclopropyl Ethene."

So,

See here to get your question answer

As we see that this compound consists of Double Bond and we know that we give priority to double Bond.

So, Here we start counting the number of long carbon chain from there where double Bond is close.

Here, we start numbering from the carbon where cyclopropyl is attached bcoz from counting both the sides double bond comes in first number. So, We start counting from there where substituent is attached.

So, Its main chain consist of two carbon atoms. It means, its suffix is Eth. And it consists of double Bond. it means, its prefix is -ene.

So,

Chain name is Ethene.

And substituent attached is cyclopropyl. So, IUPAC Name is 1-cyclopropyl Ethene.