CLASS - 1
ALKANES
• Introduction
• Preparations-I
, HYDROCARBONS
'
I. Alkanes : RH
,
R -
R
,
R -
R (Cn Hantz)
II. Alkenes & Cyclo-alkenes : > =cf ;
( Cn Han )
.
III. Alkynes : -
CIC -
(CnHzn -2)
IV. Cycloalkanes :
V. Alkadienes ✗ =D -
d=cf ( conjugated)
VI. Benzene •
; R
(alkyl
•
benzene)
⇐
ₕydᵣₒcₐᵣbₒₙₛ C̲ i ̲r ̲c̲l ̲e̲
, ALKANES Introduction
Preparation
Introduction Physical Properties
• M.F. : Cn Hantz Chemical Properties
• All C- atoms in alkanes are sp3 hybrid Problem Solving
>
•
types of bonds :
sp3 -
sp3 ; sp
- s
•
they form stronger C C
C -
C H
bonds (o )
bonds
Sps
-
Sps
sp3
-
- s
347 kJ/Mol 413 kJ/ mop
154 112
pm pm
ₕydᵣₒcₐᵣbₒₙₛ C̲ i ̲r ̲c̲l ̲e̲
ALKANES
• Introduction
• Preparations-I
, HYDROCARBONS
'
I. Alkanes : RH
,
R -
R
,
R -
R (Cn Hantz)
II. Alkenes & Cyclo-alkenes : > =cf ;
( Cn Han )
.
III. Alkynes : -
CIC -
(CnHzn -2)
IV. Cycloalkanes :
V. Alkadienes ✗ =D -
d=cf ( conjugated)
VI. Benzene •
; R
(alkyl
•
benzene)
⇐
ₕydᵣₒcₐᵣbₒₙₛ C̲ i ̲r ̲c̲l ̲e̲
, ALKANES Introduction
Preparation
Introduction Physical Properties
• M.F. : Cn Hantz Chemical Properties
• All C- atoms in alkanes are sp3 hybrid Problem Solving
>
•
types of bonds :
sp3 -
sp3 ; sp
- s
•
they form stronger C C
C -
C H
bonds (o )
bonds
Sps
-
Sps
sp3
-
- s
347 kJ/Mol 413 kJ/ mop
154 112
pm pm
ₕydᵣₒcₐᵣbₒₙₛ C̲ i ̲r ̲c̲l ̲e̲