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In dehydrohalogenations the base (alcoho...

In dehydrohalogenations the base (alcoholic KOH) abstracts-

A

The halide ion.

B

The proton present on the carbon next to the carbon to which the halogen is attached.

C

The proton present on the carbon to which the halogen is attached.

D

The proton on the -carbon.

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The correct Answer is:
B
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MOTION-HYDROCARBON -Exercise - 1
  1. Alcohols undergo dehydration in the following sequence

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  2. Ethyl chloride on heating with alcoholic potash gives:

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  3. In dehydrohalogenations the base (alcoholic KOH) abstracts-

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

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

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  6. Which ester on pyrolysis gives isobutylene -

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  7. The reaction CH(2) = CHCH(3) + HBr rarr CH(3)CHBrCH(3) is -

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  8. The markownikoff’s rule is used in connection with -

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  9. CH(3)-underset(CH(3))underset(|)(C)H-CH=CH(2)+HBr rarr (product) which...

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  10. The catalyst used in kharash reaction, is -

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  11. RCH = CH(2) adds on water in the presence of dilute sulphuric acid or ...

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  12. Two jars A and B are filled with hydrocarbons. Br2 in C Cl(4) is added...

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  13. Which of the following characteristics apply both to ethene and ethyne...

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  14. Baeyer's reagent is:

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  15. Ozonolysis of 2-methylbut-2-ene yields -

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  16. Which set of products is expected on reductive ozonolysis of the follo...

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  17. Unbranched alkenes on ozonolysis give -

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  18. Ethylene forms ethylene chlorohydrin by the action of -

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  19. 3-Methyl-2-pentene on reaction with HOCl gives-

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  20. Alkene overset(B(2)H(6))tooverset(H(2)O(2)//OH^(-))to2^(@) alcohol the...

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