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Electrophillic addition reaction proceed...

Electrophillic addition reaction proceed in two steps. The first step involves the addition of an electrophile. Name the type of intermediate formed in the first step of the following addition reaction.
`H_(2)C-HC=CH_(2)+H^(+) rarr` ?

A

`2^(@)` carbocation

B

`1^(@)` carbocation

C

`2^(@)` carbanion

D

`1^(@)` Carbanion

Text Solution

Verified by Experts

The correct Answer is:
A
`H_(3)C-CH=CH_(2)+H^(+) to underset(("most stable"))underset(2^(@)"carbocation")(H_(3)C-overset(+)CH=CH_(3))`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-BASIC PRINCIPLES AND TECHNIQUES IN ORGANIC CHEMISTRY-EXERCISE 2
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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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