Question

H3C-CH =CH-CH3
HC=C-CH3

Answer 1

IUPAC Name of the given compounds are ⇒

1. H3C-CH = CH-CH3

IUPAC Name. ⇒ Bu- 2-ene

It is a member of Alkene family.

2. HC=C-CH3

IUPAC Name. ⇒ Prop - 1 - ene.

It is also a member of Alkene Family.

Hope it helps .

Answer 2

"""As per the IUPAC, we use following prefixes (for the number of carbons in the most extended chain)-

1- meth

2- eth

3 - prop·

4- but

5- pent

6- Hex

7- hept

8- oct

9- non

10- dec

We use following suffixes-

-ane for Alkanes

-ene for Alkenes

-ynes for Alkynes,

In this case, it is an alkene which is given -

CH3-CH=CH-CH3

so, first of all, choosing the most extended carbon· chain - it consists of all the four carbons given in the compound.""

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