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1,3-Dibromopropane reacts with metallic ...

1,3-Dibromopropane reacts with metallic zinc to form

A

Propene

B

Propane

C

Cyclopropane

D

Hexane

Text Solution

Verified by Experts

The correct Answer is:
C
`underset(Br)underset(|)(C )H_(2)-CH_(2)-underset(Br)underset(|)(C )H_(2)+Zn overset(alc.)underset("cyclisation")rarr ZnBr_(2)+CH_(2)overset(CH_(2))(_)CH_(2)`
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DINESH PUBLICATION-ORGANIC COMPOUNDS WITH FUNCTIONAL GROUP CONTAINING HALOGENS -Revision Questions From Competitive Exams
  1. The reaction described below is :

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  2. The replacement of chlorine of chlorobenzene to give phenol requires d...

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  3. 1,3-Dibromopropane reacts with metallic zinc to form

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  4. C(6)H(6)Cl(6) can be obtained from :

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  5. CH(3)-CH=CH(2)+HI rarr X. Here X is

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  6. Ethyl alcohol gives ethyl chloride with the help of

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  7. S(N^(2)) mechanism proceeds through the formation of

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  8. Chlorobenzene on heating with aqueous NH(3) under pressure in the pres...

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  9. The end product (B) in the following sequence of reactions is CH(3)Cl ...

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  10. 2-bromopentane is heated with postassium ethoxide in ethano1 The major...

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  11. Both methane and ethane may be obtained by suitable one step reaction ...

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  12. 1-chlorobutane reacts with alcoholic KOH to from

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  13. Butanenitrile may be prepared by heating

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  14. The IUPAC name of the compound CH(3)-underset(CH(3))underset("| ")...

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  15. Ethyl bromide on treatment with alcoholic KOH gives

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  16. AgNO(3) does not give precipitate with CHCI(3) because .

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  17. Benzene reacts with chlorine to form benzene hexachloride in presence ...

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  18. Which of the following alkyl halides is used as a methylating agent ?

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  19. Gammexane is

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  20. Which of the follwing is the example of S(N)2 reaction .

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