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basically its an elimination reaction
Juliet Olson
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Advantage of a wittig synthesis over dehydrohalogenation?
The Wittig reaction has become a popular method for alkene synthesis precisely because of its wide applicability. Unlike elimination reactions (such as dehydrohalogenation of alkyl halides), which produce mixtures of alkene regioisomers determined by Saytzeff's rule, the Wittig reaction forms the double bond in one position with no ambiguity.
What is the reaction between alcoholic KOH and alkyl halide?
When alc. KOH react with alkyle halide it for Alkene, KX (X Is stande for halide) and water. And this reaction also called Dehydrohalogenation...
Double dehydrohalogenation on an alkane usually requires a very strong base like NaNH2 why is KOH strong enough to do this reaction with stilbene dibromide to obtain diphenylacetylene?
The reactivity of the hydrogens in stilbene bisbromide is significantly enhanced due to the presence of the highly electronegative bromine atoms. This makes the hydrogens more acidic and thus easier to deprotonate, even in the presence of a weaker base like KOH. Additionally, the aromatic rings in the product, diphenylacetylene, stabilize the intermediate carbanion formed during the dehydrohalogenation reaction, promoting the use of a milder base.
What is product of dehydrohalogenation of 3 chlorohexane?
Mixture of 2-hexene and 3-hexene
What are the two methods of preparing alkynes?
Alkynes can be prepared by the elimination reaction of vicinal dihalides with strong base, known as the dehydrohalogenation reaction. They can also be prepared by the reduction of alkynes using metal catalysts like Lindlar catalyst or sodium in liquid ammonia, commonly known as the catalytic hydrogenation of alkynes.
Which of the alkyl chlorides undergoes dehydrohalogenation in the presence of a strong base to give pent-2-ene as the only alkene product?
2-chloropentane undergoes dehydrohalogenation in the presence of a strong base to give pent-2-ene as the only alkene product. The reaction involves the removal of a hydrogen atom from the beta carbon adjacent to the carbon-halogen bond.
How do you convert 1 chloropropane to 2 chloro propane with structure?
React with alcoholic KOH (dehydrohalogenation) to give 1-propene, followed by treatment with HCl (electrophilic addition).
When ethane is attacked by bromine in the presence of sunlight?
when ethane reacts with Br in presence of sunlight, it forms Ethyl Bromide(C2H5Br) and then after dehydrohalogenation of the product obtained will give Ethlene (C2H4)
How do you convert n-propylbromide to 2.3-dimethylbutane?
1-dehydrohalogenation of n-propylbromide which gives the propene. CH3-CH2-CH2-Br + KOH(Alcoholic) -----> CH3-CH=CH2 2-again hydrohalogenation with HBr gives mostly iso-propylbromide,(Markonikov's rule). CH3-CH=CH2 + HBr ------> CH3-CHBr-CH3 3-The reaction of iso-propylbromide with Sodium metal in presence of anhydrous ether (Wurtz reaction) gives the 2,3-dimethylbutane. 2(CH3-CHBr-CH3) + 2Na ---anhydrous ether--->CH3-CHCH3-CHCH3-CH3
What is the difference between normal reaction and abnormal reaction?
Normal reaction happens when the reaction is normal. Abnormal reaction happens when the reaction is abnormal.
What reaction is opposite of a synthesis reaction?
It would be a catabolic reaction or decomposition reaction.
Why initial reaction is required to minus from final reaction?
The initial reaction is required to be subtracted from the final reaction to get the net reaction.
