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Elimination Reactions of Alkyl Halides

Which of the ...

Question

Which of the following is a correct statement?

A

1- Butene is Hafmann Product

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B

2- Butene is saytzeff Product

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C

Both (a) and (b) are correct

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D

None is correct

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Solution

The correct option is C
Both (a) and (b) are correct

Less substituted alkene ⟶ Hoffman Product

More substituted alkene ⟶ saytzeffs Product

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Similar questions

Q. Choose the correct statement among the following for the product formed, when cis-2-butene is reacted with bromine in

C C l_{4}

.

C i s - 2 -

C H_{2} I_{2} / Z n (C u) - -------- \to D i e t h y l e t h e r

Which of the following is the correct product obtained from the above reaction:

2) Cyclopropane

3) 2-Iodo cyclopropane

Q. Assertion :2-Butanol on heating with

H_{2} S O_{4}

gives 1-butene and 2-butene. Reason: Dehydration of 2-butanol follows Saytzeff rule.

There are some compounds which are as follow:

1-phenyl-1-butene, 1-phenyl-2-butene, 2-phenyl-1-butene

Which of the following is the correct order for increasing order of reactivity for acid catalyzed hydration?

1) 1-phenyl-1-butene < 1-phenyl-2-butene < 2-phenyl-1-butene

2) 1-phenyl-2-butene < 1-phenyl-1-butene < 2-phenyl-1-butene

3) 2-phenyl-1-butene < 1-phenyl-2-butene < 1-phenyl-1-butene

There are some alkenes are given as follow:

2-methyl propene, cis-2-butene, trans-2-butene

Which of the following is the correct order for increasing order of reactivity for acid catalyzed hydration?

1) trans-2-butene< cis-2-butene < 2-methyl propene

2) cis-2-butene< trans-2-butene < 2-methyl propene

3) 2-methyl propene < trans-2-butene < cis-2-butene

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