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Which of the following statements is FAL...

Which of the following statements is FALSE about `S_(N)1` mechanism ?

A

It is a first order reaction.

B

It is favoured by higher concentration of the nucloephilic reagent.

C

It involves the formation of an intermediate.

D

It results into racemisation.

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-HALOGEN DERIVATIVES OF ALKANES AND ARENES-CRITICAL THINKING
  1. In the alkaline hydrolysis of tert-butyl bromide.

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  2. In S(N)1 reaction which of the following is TRUE?

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  3. Which of the following statements is FALSE about S(N)1 mechanism ?

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  4. Which of the following is TRUE for hydrolysis of an optically active t...

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  5. If starting compound is laevo rotatory , after the S(N)1 reaction, pro...

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  6. Which among the following structure represents sym-trichlorobenzene?

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  7. Chlorobenzene is .

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  8. Arrange the following compounds in order of increasing dipole moment: ...

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  9. Which of the following cannot be prepared by direct halogenations of b...

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  10. Benzenediazonium salt when simply mixed with KI, gives off .

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  11. The phenomenon in which atoms or groups in a compound can attract elec...

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  12. Example of species showing -I effect is .

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  13. It is easy to substitute -Cl in 2,4-dinitrochlorobenzene than in chlor...

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  14. In aryl halides , the reactivity is controlled by stronger and 0. p or...

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  15. Fridel-crafts' reaction of bromobenzene with methyl iodide gives

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  16. The commercial uses of DDT and benzene hexachloride are .

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  17. Which of the following statement about DDT is FASLE ?

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  18. Halogenation of alkanes is

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  19. RC-=N can be converted to RCH(2)NH(2) by .

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  20. For the reaction, C(2)H(5)OH + HX overset(ZnCl(2))to C(2)H(5)X+ H(2)O,...

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