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Reactivity order of halides of dehydroha...

Reactivity order of halides of dehydrohalogenation is

A

`R -F gt R -CI gt R -Br gt R -I`

B

`R -I gt R -Br gt R -CI gt R -F`

C

`R -I gt R -CI gt R -Br gt R-F`s

D

`R -F gt R -I gt R -Br gt R -CI`

Text Solution

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The correct Answer is:
B
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ALLEN-ALKYL AND ARYL HALIDE-EXERCISE
  1. Ethylene reacts bromine to form-

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

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  3. Reactivity order of halides of dehydrohalogenation is

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

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

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

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

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

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

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  10. The order of decreasing nucleophilicity of the following is

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

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  12. Consider the following anions. (I) CF(3)-overset(O)overset(||)unders...

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  13. The basicity of RO^(-),HO^(-),RCOO^(-),ROH and H(2)O are of the order-

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  14. Which of the following are aprotc solvents:

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  15. Which is/are true statements (s):

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  16. Ph-overset(Me)overset(|)underset(H)underset(|)(C)-OH overset(SOCI(2))u...

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  17. Which of the following undergoes Hydrolysis most easily:

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  18. A compound 'A' formula of C(3)H(6)CI(2) on reaction with alkali can gi...

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  19. Isobutyl magneisum bromide with dry ether and absolute alcohol gives

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  20. Following reaction is

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