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Dehydrohalogenation of 1,2-dibromo-butan...

Dehydrohalogenation of 1,2-dibromo-butane with alc KOH gives:

A

1-butyne

B

2-butene

C

1-butene

D

1-bromo-1-butene

Text Solution

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The correct Answer is:
A
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The ease of dehydrohalogenation of alkyl halides with alc KOH is

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Bromoethane on treatment with alcoholic KOH gives :

MBD PUBLICATION-HYDROCARBONS-QUESTION BANK
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  2. The compound (CH3)2CH-CHCl-CH3 reacts with alcoholic KOH to give the f...

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  4. Kolbe's synthesis of sodium salt of butanoic acid gives:

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  5. The most stable conformational isomer of cyclohexane is:

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  6. The greatest strain is involved in cycloalkane when the bond angle is:

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  7. In a mixture of iso - octane and n-heptane, the percentage of n-heptan...

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  8. Which can be easily oxidised ?

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  9. The most stable isomer of 1,2-dichloroethane is:

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  10. Sodium ethoxide is specific reagent for:

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  11. Which of the following is not a mixture of hydrocarbons?

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  12. Addition of O2 on ethylene in presence of Ag at 200^@C forms:

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  13. Which of the following does not decolourise bromine solution in CS2?

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  14. Explain, why. alkyl halides have higher boiling points than the corr...

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  15. Specific reagent for decarboxylation is:

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

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  17. Octane no of 2,2,4-trimethylpentane has been assumed to be:

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  18. Octane no of a fuel can be increased by:

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  19. Sodium formate on heating with soda lime give:

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  20. Electrolysis of a concentrated solution of sodium fumarate gives:

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