Consider the following reaction CH3 - CH3-Br-C - CH2CH3Alc- KOH-which of the following alkene will be the major product-

Dehydrohalogenation involves removal of (elimination of) a hydrogen halide nbsp;by abstracting β H from a alkyl halide in presence of base (alc. KOH) to form ...

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Standard XI

Chemistry

Dehydrohalogenation for Alkenes

Consider the ...

Question

Consider the following reaction $C H_{3} - C H_{3} | C | B r - C H_{2} C H_{3} A l c . K O H ⟶$

which of the following alkene will be the major product?

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both will be formed in equal amount

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None of the above

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Solution

The correct option is A I
Dehydrohalogenation involves removal of (elimination of) a hydrogen halide by abstracting $β - H$ from a alkyl halide in presence of base (alc. KOH) to form alkenes.
Saytzeff product will be major product i.e. product (I). Hence correct option is (a).

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Similar questions

Q. The major product of the following reaction is:-

C H_{3} - C H_{3} | C | - H C | B r H C H_{3} C H_{3} O H - ---- \to

Q. In the given reaction,

[X]

will be:

C H_{3} - C H | C H_{3} - O | | C - C H_{2} - C H_{3} C F_{3} C O O O H - ------- \to [X]

major product

Q. Suppose the following reaction :

C H_{3} - C H_{3} | C H - O | | C - O H + C H_{3} - N H_{2} \to A - \to Δ B L i A l H_{4} (e x c e s s) - --- \to^{'} C^{'}

The final product 'C' will be:

Q. Which would undergo

S_{N} 1

reaction faster in the following pair and why?

{C H}_{3} - C H_{2} - B r

and

\begin{matrix} C H_{3} | C H_{3} & - & C & - & C H_{3} | B r \end{matrix}

Q. The products for the following reactions are:

(i)

{C H}_{3} - B r | C | H - C H_{2} - C H_{3} + a l c . K O H \to X

(ii)

{C H}_{3} - C H | C H_{3} - C H = C H_{2} O_{3} - \to Y + Z

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Dehydrohalogenation for Alkenes

Standard XI Chemistry

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Consider the following reaction CH3−CH3|C|Br−CH2CH3Alc.KOH⟶ which of the following alkene will be the major product?

The correct option is A IDehydrohalogenation involves removal of (elimination of) a hydrogen halide by abstracting β−H from a alkyl halide in presence of base (alc. KOH) to form alkenes. Saytzeff product will be major product i.e. product (I). Hence correct option is (a).

Consider the following reaction $C H_{3} - C H_{3} | C | B r - C H_{2} C H_{3} A l c . K O H ⟶$

which of the following alkene will be the major product?

The correct option is A I
Dehydrohalogenation involves removal of (elimination of) a hydrogen halide by abstracting $β - H$ from a alkyl halide in presence of base (alc. KOH) to form alkenes.
Saytzeff product will be major product i.e. product (I). Hence correct option is (a).