R -CH₂ -CCl₂ - R □(→┴Reagent )R -C ≡ C- R
The reagent is
(a) Na (b) HCl in H₂O
(c) KOH in C₂H₅OH (d) Zn in alcohol.
Answers
Answered by
19
Answer:
R -CH₂ -CCl₂ - R □(→┴Reagent )R -C ≡ C- R
The reagent is
(a) Na
(b) HCl in H₂O
(c) KOH in C₂H₅OH✔✔
(d) Zn in alcohol.
Answered by
0
KOH in C₂H₅OH is the reagent of choice.
Explanation:
- The ethanoic potassium hydroxide is a very strong acidic reagent.
- This reagent can induce hydrogenation in the haloalkanes and produce alkene and alkynes.
- The reactant is the R -CH₂ -CCl₂ - R which has two halo groups in the same carbon.
- This leads to a two phase reaction.
- As the reactant is processed with ethanoic potassium hydroxide, first a double bond is initiated as one of the chlorine group is ejected out along with a hydrogen from alpha bond.
- This product again goes into a reaction where the second chlorine group is taken in along with other hydrogen to form the triple bond between the subsequent carbon atoms.
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