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Alkanes Paraffins
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Reduction of alkyl halides
(v) Reduction of alkyl halides


reduction can also be done by a. LiAlH
4
b. Na/C
2
H
5
OH c. Zn – Cu Couple

Zn – Cu couple is Zn wetted by Cu. It is prepared by putting CuSO
4
on Zn granules present in flask which leads to Cu deposition on them.

(vi) Wurtz Reaction

Two following mechanism have been suggested for wurtz reaction:


If we take one alkyl and one aryl group, this is known as wurtz fittig reaction (practically possible)


(vii) Sabatier Senderon’s Reduction (Hydrogenation of alkyne or alkenes)






(viii) Decarboxylation by Sodalime (NaOH + CaO)

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