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Alkenes undergo electrophilic addition r...

Alkenes undergo electrophilic addition reactions. Electrophilic addition to unsymmetrical alkenes involve the formation of a more stable carbocation intermediate in the first step which is rate determining and carbocation is then attacked by a nuclephile to form product
`+H_(2)O overset(H_(2)SO_(4))rarr` Product

A

The major product is

B

The major product is

C

Major product give +ve Tollen's test

D

Major product give +ve iodoform test

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The correct Answer is:
B
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Alkenes undergo electrophilic addition reactions. Electrophilic addition to unsymmetrical alkenes involve the formation of a more stable carbocation intermediate in the first step which is rate determining and carbocation is then attacked by a nuclephile to form product HO-CH_(2)-CH_(2)-CH_(2)-CH=CH_(2)underset(NaHCO_(3))overset(I_(2))rarr major product formed is

Alkenes undergo electrophilic addition reactions. Electrophilic addition to unsymmetrical alkenes involve the formation of a more stable carbocation intermediate in the first step which is rate determining and carbocation is then attacked by a nuclephile to form product Which one of the following alkene reacts most readily with HCI ?

The major product (A) formed in the reaction- overset(H_(2)SO_(4))rarrA is:

The major product formed in the reaction is : +HNO_(3)overset("conc."H_(2)SO_(4))rarr

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 ?

Electrophilic additions reactions proceed in two steps. The first step involves the additions of an electrophile. Name the type of intermediate formed in the first step of the following addition reaction H_(3)C - HC = CH_(2) + H^(+) rarr ?

Reaction Mechanism : 1) electrophilic addition on alkenes and alkynes,2) rate comparison/solvent participation,3) stereochemistry OF reaction

A : Alkynes is more reactive than alkene towards electrophilic addition reaction. R : Alkynes form stable carbocation than alkene.

ALLEN-TEST PAPERS-part-2 chemistry
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  2. Alkenes undergo electrophilic addition reactions. Electrophilic additi...

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  3. Alkenes undergo electrophilic addition reactions. Electrophilic additi...

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  4. Match the pairs of compounds (to be distinguished) given in Column-(I)...

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  5. {:("Coloumn-I",,"Column-II"),("(Aqueous solution in standard condition...

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  6. Roasting is carried out in extraction of metal in how many ores/minera...

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  7. Calculate number of significant digits in Avogadro number if Boltzmann...

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  8. We have taken a saturated solution of AgBr, whose K(sp) is 12xx10^(-14...

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  9. 2 moles of KMnO(4) can oxidise x moles of hydrogen peroxide in weakly ...

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  10. Select the correct statement for a real gas (i)The behaviour of the ...

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  11. Select the incorrect statement

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  12. Two stereoisomers (Shown in fischer projection ) from an epoxide, when...

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  13. Match each of the following four structures with one of the compound A...

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  14. A white crystalline solid (A) on boiling with caustic soda solution ga...

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  15. A reagent is added to a solution of manganous salt in cold dil. HNO(3...

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  16. Defects are basically irregularities in the arrangement of constituent...

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  17. Defects are basically irregularities in the arrangement of constituent...

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  18. Compound (A) has molecular formula C(5)H(12)O. It liberates H(2) gas o...

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  19. compound (A) forms a ketone. It undergoes in following reaction scheme...

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  20. {:(,"List-I",,"List-II",),(,"Type of ionic compound",,,),((P),"NaCI ty...

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