Important Concepts and Summary for Engineering Chemistry

Isomers

↳ molecules with the same molecular formula but different arrangements

Isomerisms




Structural isomers -
different
connectivity Stereoiscse - different spatial
arrangement
1 .
Chain 1. Geometric

.
2 Positional .
2
Optical
.
3 Functional

4 . Metamerism

5.
5 Tautomerism

6 .


Ring-chain


1. Chain Bowers -> similar chemical
properties/ different physical properties

C44 , 0
- boiling point
°
↑ boiling point
°
-0 5 L
.
-

11 . 7 C
linear branched




.
2 Positional isoners e similar chemical
properties/ different physical properties

40 on
on
I ! i
↳ HqN

, Functional different physical properties
different
chemical properties /
3
. isces -

O

Il II
231,0 : - Mn
proporat proporal



↳ 10 : -on 1-

1-
propanol ethyl methyl ether




4
.
Ring-chain Bowers - different chemical
properties/ different physical properties
HzC
CHs # Y =
(14
n' un
cyclobutane
his-2-butene