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Statement I: 1-Butene on reaction with H...

Statement `I:` `1-`Butene on reaction with `HBr` in the presence of a peroxide produces `1-` bromobutane.
Statement `II:` It involves the formation of a primary radical.

A

If both assertion and reason are correct, and reason is the correct explanation of the assertion

B

If both assertion and reason are correct, but reason is not correct explanation of the assertion

C

If assertion is correct but reason is incorrect

D

If assertion is incorrect but reason is correct

Text Solution

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The correct Answer is:
C
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Assertion: But-1-ene on reaction with HBr in the presence of peroxide produces 1-bromobutane. Reason: It invovles the formation of a primary free radical.

A) Addition of HBr to 1-butene in presence of peroxide produces 1-bromobutane. R) It involves the formation of primary radical.

Assertion : 1- Butene on reaction with HBr in the presence of a peroxide produces 1- bromo - butane Reason : It involves the free radical mechanism.

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ALLEN-ALKENE, ALKANE & ALKYNE -EXERCISE-5(B)
  1. The product (s) via - oxymercuration (HgSO(4)+H(2)SO(4)) of 1- butyne...

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  2. A solution of (-l)- chloro -1 phenyletane in toluene recemises slowly ...

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  3. Statement I: 1-Butene on reaction with HBr in the presence of a peroxi...

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  4. Which of the following alkenes will react faster with H(2) under catal...

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  5. Propyne and propene can be distinguished by :

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  6. Addition of bromine to trans-2-butene yields meso-2,3-dibromobutane. ...

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  7. In the presence of peroxide, hydrogen chloride and hydrogen iodide do ...

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  8. The reaction of propene with HOCl proceeds via the addition of :

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  9. The nodal plane in the pi-bond of ethene is located in:

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  10. Consider the following reaction: CH(3)underset(D)underset(|)CH-under...

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  11. Identify a reagent from the following list which can easily distinguis...

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  12. C(6)H(5)-C-=C-CH(3)underset(H(2)SO(4))overset(HgSO(4))rarrA

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  13. Five compounds with formula C(4)H(8)Br(2) How many structrue of (X) ...

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  14. 2-Hexyne gives trans -2- hexene on treatment with :

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  15. What would be the produt formed when 1-bromo-3 chorocyclobutane reacts...

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  16. When phenyl magnesium bromide reacts with tert butanol, which of the f...

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  17. CH(3)-CH=CH(2)overset(NOC)rarr Product, product is :

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  18. Cyclohexene on ozonolysis followed by reaction with zinc dust and wate...

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  19. The number of stereoisomers obtained by bromination of trans-2-butene ...

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  20. The number of structural isomers for C(6)H(14) is :

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