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The formation of 2-butene from 2-butanol...

The formation of 2-butene from 2-butanol in the presence of conc. `H_(2)SO_(4)` is in accordance with-

A

Hoffmann's rule

B

Saytzeff's rule

C

Markownikoff's rule

D

Kharasch rule

Text Solution

Verified by Experts

The correct Answer is:
B
Generally more stable (more `alpha-H`) alkene is major product. This is saytzeff's rule.
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BANSAL-HYDROCARBONS-Exercise 1
  1. The relative stability of the compounds underset(I)(CH(3)-overset(CH...

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  2. Propyl bromide on reaction with alcoholic KOH gives-

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  3. The formation of 2-butene from 2-butanol in the presence of conc. H(2)...

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  4. In dehydrohalogenations the base (alcoholic KOH) abstacts-

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  5. Which of the following compound undergoes dehydrochlorination most eas...

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  6. In the sequence of reactions, CH(3)CH(2)CH(2)Ohoverset(PCl(5))toAunder...

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  7. In the elimination of reactions, that is, in the formation of alkenes,...

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  8. The ease of dehydrohalogenation of alkyl halide with alcoholic KOH is-

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  9. Ethyl chloride on heating with alcoholic potash gives:

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  10. The ease of dehydration of an alcohol with concentrated H(2)SO(4) is

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  11. Consider the following reaction the major alkene product is (CH(3))(3...

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  12. The dehydrohalogenation of 2-bromobutane with alcoholic KOH gives-

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  13. The main product produced in the dehydrohalogenation of 2-bromo-3,3-di...

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  14. The structural formula of the compound which yields ethylene upon reac...

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  15. Alcohols undergo dehydration in the following sequence

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  16. A is-

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  17. On heating n-propyldimethylamine oxide, propene is obtained. The react...

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  18. The most common reactions of alkenes are-

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  19. The reaction CH(2)=CHCH(3)=HBr to CH(3)CHBrCH(3) is-

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  20. Anti-Markownikoff's addition of HBr is not observed in-

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