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CH(3)underset(CH(3))underset(|)(CHCH)=CH...

`CH_(3)underset(CH_(3))underset(|)(CHCH)=CH_(2)+HBrtoA,A` (predominant is

A

`CH_(3)underset(CH_(3))underset(|)(CHCH)underset(Br)underset(|)CH_(2)`

B

`CH_(3)underset(CH_(3))underset(|)(CHCH_(2)CH_(2)Br`

C

`CH_(3)underset(CH_(3))underset(|)overset(Br)overset(|)C CH_(2)CH_(3)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`CH_(3) underset(CH_(3))underset(|)(CH)CH=CH_(2) overset(H^(+)) to CH_(3) underset(2^(@)"Carbocation") underset(CH_(3)) underset(|)(CH)overset(+)C HCH_(3) overset(1,2H^(-)"shift") to CH_(3) underset(B) underset(3^(@)"carbocation")underset(CH_(3)) underset(|) overset(+)CH_(2)CH_(3) overset(Br^(-)) toCH_(3) underset(CH_(3)) underset(|) overset(Br) overset(|)C CH_(2)CH_(3)`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-BASIC PRINCIPLES AND TECHNIQUES IN ORGANIC CHEMISTRY-EXERCISE 2
  1. CH(3)underset(CH(3))underset(|)(CHCH)=CH(2)+HBrtoA,A (predominant is

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  2. When CH(3)Cl undergoes homolytic bond-fission

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  3. Which one of the following C-H bonds is the wekest for homolytic fissi...

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  4. In which of the following ways does the hydride ion tend to function ?

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  5. Most stable radical is

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  6. Select the incorrect statement .

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  7. Dehydrobromination (-HBr) of the following in increasing order is

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  8. The structural formula of 2-oxo-3-methyl-(N-bromo) butanamide is

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  9. Indicate the wrongly named compound

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  10. The most stable carbanion is

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  11. The most stable free radical among the following is

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  12. CH(3) overset(*) H(2) disproportionates to

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  13. Additionof HCI to 3,3 dimethyl but-1-ene yields two products, one of w...

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  14. Basic strength of CH-=overset(Theta)C(l), CH(2)=overset(Theta) CH(II) ...

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  15. Electrophile overset(o+)(NO(2)) attacks the following In which ca...

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  16. Major organic product fomred from the following sequence of reactions ...

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  17. Among the following, which is least acidic ?

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  18. In which of the following compounds, does the substituent not exert it...

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  19. When acidified sodium extract of organic compound is treated with acet...

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  20. The formation of yellow precipitate by the addition of solution of amm...

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  21. In Carius tube, the compound ClCH(2)COOH was heated with fuming HNO(3)...

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