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Incorrect statement about nucleophilic s...

Incorrect statement about nucleophilic substitution reaction is 

A

Reactivity of halides towards SN mechanism is `3^@ gt 2^@ gt 1^@` alkyl halides

B

Polar solvents favour `S_N1` reactions

C

Reactivity of halides towards `S_N2` mechanism is `1^@ gt 2^@ gt 3^@ `

D

alkyl halide Low concentration of nucleophile favours `S_N2` mechanism

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ALKYL AND ARYL HALIDES-OBJECTIVE EXERCISE - 2 A (MECHANISM OF NUCLEOPHILLIC SUBSTITUTION REACTIONS)
  1. Which of the following is the correct order of decreasing SN22 reactiv...

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  2. The ratio of relative rates of isopropyl bromide and ethyl bromide in ...

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  3. Teritiary alkyl halides are practically inert to substitution by SN2 m...

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  4. Arrange the following CH3CH2CH2Cl(I), CH3CH2-CHCl - CH3 (II), (CH3)2...

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  5. Which of the following will be the least reactive towards nucleophilic...

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  6. Characteristic reactions of alkyl halides are

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  7. Which of the following alkyl halides is hydrolysed by SN^1 mechanism ?

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  8. Consider the following bromides The correct order of SN1 reactivity...

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  9. Which of the following is the correct order of decreasing reactivity t...

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  10. SN2 reactions are

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  11. Which of the following halides would undergo nucleophilic substitution...

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  12. Incorrect statement about nucleophilic substitution reaction is

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  13. In reactions the incorrect order of reactivity of nucleophies is

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  14. Incorrect statement about nucleophilic substituition reacitons is

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  15. In the reaction with CH3I, the most reactive nucleophile among the fol...

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  16. Which of the following compounds would be hydrolysed most easily (SN1)...

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  17. Which of the following is least reactive towards nucleophilic displace...

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  18. An unknown alkyl halide (A) reacts with alcoholic KOH to produce a hyd...

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  19. Match the following set-I with appropriate one from the set-2 Reaction

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  20. The correct order of reactivity of the following compounds towards SN1...

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