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sir please explain me the iupac nomenclature of carbon compounds

Asked by Adithyan Sp 25th February 2016, 6:58 PM
Answered by Expert
Answer:

According to IUPAC , the name of an organic compound consists of three parts:

(i)root word

(ii) suffix

(iii)prefix

(i)Root word:

Depends upon the number of carbon atoms present in the longest carbon chain selected.

Number of carbon atoms

Root Word

One carbon atom           C1

Meth

Two carbon atom           C2

Eth

Three carbon atom        C3

Prop

Four carbon atom          C4

But

Suffix:

The root word is followed by an appropriate suffix, which represents the nature of the bond in a carbon-carbon atom.

Nature of bond

Suffix

General name

General formula

Single bond(C-C)

  -ane

Alkane

CnH2n+2

Double bond(C=C)

  -ene

Alkene

CnH2n

Triple bond()

  -yne

Alkyne

CnH2n-2

Group(R-)

  -yl

Alkyl

CnH2n+1

 

(iii)Prefix:

It denotes the substituent, alkyl or functional group and its position in the carbon chain.

Di-,tri-,tetra-, are used for two ,three and four groups of the same type respectively.

Answered by Expert 25th February 2016, 7:01 PM
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