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Addition of one mol of Br(2) to 1,3-buta...

Addition of one mol of `Br_(2)` to 1,3-butadience at room teperature gives

A

1,2-Dibromo but-3-ene

B

1,3-Dibromo but-2-ene

C

2,3-Dibromo but-3-ene

D

1,4-Dibromo but-2-ene

Text Solution

Verified by Experts

The correct Answer is:
D
One mol of `Br_(2)` (or HX) to conjugated dience low temperature (193K) gives, 1,2-addition while at higher temperature (298K) gives 1,4-addition product.
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DINESH PUBLICATION-HYDROCARBONS-All Questions
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  2. The reaction of one equivalent of HBr with CH(2)=CH-C-=CH gives

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  3. Addition of one mol of Br(2) to 1,3-butadience at room teperature give...

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  4. Addition of one mol of Br(2) to which of the following hydrocarbons gi...

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  8. A hydrocarbon with formula C(8)H(18) gives one monochloro derivative. ...

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  9. The most stable free radical among the following is

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  10. R-CH(2)-C Cl(2)-R overset(Reag ent)rarrR-C-=C-R The reagent is

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  11. Toluene on oxidation with dilute HNO(3) gives

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  12. The function of anhydrous AlCl(3) in friedel-Crafts' reaction is to

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  13. What is the end product of nitration of toluene?

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  15. The most common reaction of benzene is

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  16. In the reaction, CH(3)C-=C-CH(3)overset((i)X)underset((ii)Zn//H(2)O)(t...

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