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NOMENCLATURE


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,Word root:- Represent total no. of C-atoms in longest / principal /
main C - chain.

n Word root n Word root

1 Meth 6 Hex
2 Eth 7 Hept
3 Prop 8 Oct
4 But 9 Non
5 Pent 10 Dec

,1 Suffix / Primary Suffix:-

Represents Saturation / Unsaturation present in C-chain .

— ane , —> ene , —> yne


1 Prefix / Primary prefix:-

Represents nature of parent C-chain.


Open chain Cyclo

, 2 Prefix / Secondary Prefix :-
Represents side chains / substituents attached with main C-chain.

X Halo NO2 Nitro
F Fluro NO Nitroso
Cl Chloro OR Alkoxy
Br Bromo OCH3 Methoxy
I Iodo 0C2H5 Ethoxy
R Alkyl
CH3 Methyl C—C Epoxy
O
1