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Most stable carbocation formed from (CH(...

Most stable carbocation formed from `(CH_(3))_(3)C-Br,(C_(6)H_(5))_(3)CBr,(C_(6)H_(5))_(2)CHBr` and `C_(6)H_(5)CH_(2)Br` would be

A

`C_(6)H_(5)overset(o+)(CH_(2))`

B

`(CH_(3))_(3)overset(o+)(C)`

C

`(C_(6)H_(5))_(3)overset(o+)(C)`

D

`(C_(6)H_(5))_(2)overset(o+)(CH)`

Text Solution

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The correct Answer is:
C
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The S_(N^(1)) reactivity of the following halides will be in the order: (i) (CH_(3))_(3)C-Br (ii) (C_(6)H_(5))CHBr (iii) (C_(6)H_(5))_(2)C(CH_(3))Br (iv) (CH_(3))_(2)CHBr (v) C_(2)H_(5)Br

Predict the order of reactivity of the following compounds in S_(N)1 and S_(N)2 reactions : (a) The four isomeric bromobutanes (b) C_(6)H_(5)CH_(2)Br, C_(6)H_(5)CH(C_(6)H_(5))Br, C_(6)H_(5)CH(CH_(3))Br, C_(6)H_(5)C(CH_(3))(C_(6)H_(5))Br

Predict the order of reactivity of the following compounds in S _(N)1 and S_(N)2 reactions: (i) The four isomeric bromobutanes (ii) C_(6)H_(5)CH_(2)Br, C_(6)H_(5)CH(C_(6)H_(5))Br, C_(6)H_(5)CH(CH_(3))Br, C_(6)H_(5)C(CH_(3))(C_(6)H_(5))Br

The correct order of reactivity of the compounds (I) C_(6)H_(5)H_(2)(Br) , (II) C_(6)H_(5)CH(C_(6)H_(5))Br , (III) C_(6)H_(5)CH(CH_(3))Br , (IV) C_(6)H_(5)C(CH_(3))(C_(6)H_(5))Br in the increasing order of reactivity in S_(N^(2)) reactions is

Amongest the following maximum number of compounds which give iodoform test are CH_(3)CONH_(2),CH_(3)COCl, CHCOOH,(CH_(3)CO)_(2) C_(6)H_(5)COCH_(3),C_(6)H_(5)CH_(2)CHO , C_(6)H_(5)(OH)CH_(3) C_(6)H_(5)CH_(2)CH_(2)OH,(CH_(3))_(2)C=CHCOCH_(3) CH_(3)COCH_(2)COOC_(2)H_(5)

ALLEN-ALKYL AND ARYL HALIDE-EXERCISE
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  2. Grignard reagent can be prepared by

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  3. Most stable carbocation formed from (CH(3))(3)C-Br,(C(6)H(5))(3)CBr,(C...

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  4. For the reaction

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  5. The products of reaction of alcoholic silver nitrite with enthyl bromi...

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  6. The reaction , CH(3)Br +OH^(-)rarrCH(3)OH+Br^(-) obeys the mechanism

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  7. Ethylidene chloride can be prepared by the reaction of HCI and

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  8. 1-phenyl-2-chloropropane on treating with alc. KOH gives mainly

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  9. Grignard reagent is obtained when magnesium is treated with

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  10. Ethylene reacts bromine to form-

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  11. C(2)H(4) overset(Br(2))rarr X overset(KCN)rarr Y, Y is

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  12. Reactivity order of halides of dehydrohalogenation is

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  13. Which of the following is least reactive in a nucleophilic substiution...

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  14. The correct reactivity order of alcohols towards H-X will be (I) CH(...

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  15. Identify 'Z' in the following reaction series, CH(3)CH(2)CH(2)Brover...

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  16. For the reaction, C(2)H(5)Oh +HX overset(ZnX(2))rarr C(2)H(5)X, the ...

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  17. Ethyl alcohol reacts at a faster rate with HI than with HCI in forming...

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  18. What is the order of reactivity of the following compounds towards nuc...

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  19. The order of decreasing nucleophilicity of the following is

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  20. The order of decreasing S(N)1 reactivities of the halides I CH(3)CH...

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