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Dehydration of butan -2-ol with conc. H(...

Dehydration of butan `-2-ol` with conc. `H_(2)SO_(4)` gives preferred product.

A

but-1-ene

B

but-2-ene

C

propene

D

ethane

Text Solution

Verified by Experts

The correct Answer is:
(B)
`CH_3-overset(H)overset(|)CH-overset(OH)overset(|)CH-CH_3overset(H_2SO_4)underset(Delta)rarrCH_3-CH=CH-CH_3(80%)+CH_3-CH_2-CH=CH_2(20%)`
This is in accordance with Saylzeff rule.
Hence, (B) is the correct answer.
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FIITJEE-HYDROCARBONS-SOLVED PROBLEMS (OBJECTIVE)
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  2. 1.2-dibromopropane on treatment with X moles of NaNH2 followed by trea...

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  3. (CH3)3CMgCl on reaction with D2O produces

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  4. Hydrogenation of the above compound in the presence palladium catalyst...

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  5. The appropriate reagent fro the following transformation.

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  6. Ozonolysis of 2,3-dimethyl-1-butene followed by reduction with zinc an...

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  7. Which one of the following compounds will give in the presence of pero...

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  8. Which of the following alkene in acid catalysed hydration form 2-methy...

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  9. Which of the following compounds yields only one product on monobromin...

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  10. Electrolysis of solution gives acetylene gas

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  11. Dehydration of butan -2-ol with conc. H(2)SO(4) gives preferred produc...

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  12. CH3-C-=C-CH-3 overset(NaNH2)rarr'X'. What is X.?

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  13. Identify the compound 'Y' in the following sequence of reaction: HC-=C...

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  14. Dehydration of 1-butanol gives 2-butene as a major product, by which o...

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  15. The principal organic compound formed in the reaction CH2=CH(CH2)8CO...

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  16. Hydrocarbons are obtained by electrolysis of

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  17. Both methane and ethane may by obtained by one step reaction from

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  18. Propene may be obtained by the dehydration of

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  19. Which alkenes give CH3CHO on ozonolysis

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  20. O2 required for complete oxidation of 1 litre of ethane at NTP is

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