Hydrocarbons Rate ofReaction (Hydrogenation)
Hydrocarbons x
syn addition
ROR: alkynes> alkenes
compounds in which
only hydrogen x Enothermic AHCO
ROR & I
stability
and carbon are
present. ASCO
*
Saturated Alkanes by
x 70
spontaneous ROR & 1
Hydrocarbons Unsaturated Alkenes, Alkynes Sterric hindrance
Aromatic halides
2) Reduction of alkyl R-X
Alkanes Intents. Saturated zu, Ht
CHy -H
BOILING POINT (BP>
For
eg. Cty-Cl +
He
BP < mass - I
Branching 3) Hurtz Reaction Coupling Reaction Follows Free Radical Mechanism
·
Solubility like dissolve like dry ether (solvents
Na R Nax
B-x + -
R +
x Polar solute -> Polar solvent
Non Polar solute -> Non Polar solvent Note:
Alkanes -> Non-Polar · Wurtz reaction is used to
prepare symmetrical
1 alkanes
solubility -
cannotbe
prepared by worth
mass
·CHy
·
Unsymmetrical alkanes can also be
prepared
Methods of
Preparation buttheir
yield is
poor.
From
-)
unsaturated
Hydrocarbons:Hydrogenation
·
For Intramolecular waste, product
For
eg. should be stable.
xi/Pt/Pd
Addition Reaction
x c+ He c -C
Ifalkyl halide is
disproportionation
30, then
= o
H H
reaction. (No coupling Reaction, No wurtz)
,
Hydrocarbons x
syn addition
ROR: alkynes> alkenes
compounds in which
only hydrogen x Enothermic AHCO
ROR & I
stability
and carbon are
present. ASCO
*
Saturated Alkanes by
x 70
spontaneous ROR & 1
Hydrocarbons Unsaturated Alkenes, Alkynes Sterric hindrance
Aromatic halides
2) Reduction of alkyl R-X
Alkanes Intents. Saturated zu, Ht
CHy -H
BOILING POINT (BP>
For
eg. Cty-Cl +
He
BP < mass - I
Branching 3) Hurtz Reaction Coupling Reaction Follows Free Radical Mechanism
·
Solubility like dissolve like dry ether (solvents
Na R Nax
B-x + -
R +
x Polar solute -> Polar solvent
Non Polar solute -> Non Polar solvent Note:
Alkanes -> Non-Polar · Wurtz reaction is used to
prepare symmetrical
1 alkanes
solubility -
cannotbe
prepared by worth
mass
·CHy
·
Unsymmetrical alkanes can also be
prepared
Methods of
Preparation buttheir
yield is
poor.
From
-)
unsaturated
Hydrocarbons:Hydrogenation
·
For Intramolecular waste, product
For
eg. should be stable.
xi/Pt/Pd
Addition Reaction
x c+ He c -C
Ifalkyl halide is
disproportionation
30, then
= o
H H
reaction. (No coupling Reaction, No wurtz)
,
