ENGINEERING CHEMISTRY FOR DIPLOMA by RANJAN KUMAR MOHAPATRA

Author:RANJAN KUMAR MOHAPATRA [MOHAPATRA, RANJAN KUMAR]
Language: eng
Format: azw3
Publisher: PHI Learning
Published: 2014-09-10T04:00:00+00:00

A list of some common substituents with their prefix and suffix names are given in Table 7.3.

Table 7.3 List of Some Common Substituents

Substituents

Prefix

Suffix

—CH3

—C2H5

—C3H7

—F

—Cl

—Br

—I

—OH

Methyl

Ethyl

Propyl

Fluoro

Chloro

Bromo

Iodo

Hydroxy

–

–

–

–

–

–

–

ol

Alkane

Example

(i)

(ii)

(iii)

(iv)

(v) Lowest sum rule:

(vi)

(vii)

(viii)

(ix)

(x)

Alkene

Example

(i)

(ii)

(iii)

(iv)

(If the main chain contains two double bonds, ‘a’ is added to the root as buta, penta, etc.)

(v)

(Longest chain should contain double bond.)

(vi)

(vii)

(Longest chain should contain the maximum number of double bonds.)

Alkyne

Example

(i)

(ii)

(iii)

(iv)

(v)

Alkylhalide

Example

(i)

(ii)

(iii) Alphabetical order of substituents decides the numbering while naming.

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