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Which one of the following statements wr...

Which one of the following statements wrong about `S_(N^(2))` reaction?

A

The rate of reaction is independent of the concentration of nucleophile

B

Nucleophilic attacks the carbon from the side opposite to where the leaving group is attached

C

Only in one step the bond formation and bond breaking takes place

D

The rate of reaction `prop` [substrate] [nucleophile]

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The correct Answer is:
A
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OP TANDON-BASIC PRINCIPLES OF ORGANIC COMPOUNDS (MECHANISM OF ORGANIC REACTIONS)-OBJECTIVE QUESTIONS (Level-A)
  1. Among the following structures the one which is not a resonating struc...

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  2. Which is dehydrated to maximum extent using conc. H(2)SO(4)?

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  3. Which one of the following statements wrong about S(N^(2)) reaction?

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  4. Which of the following statements is not correct for a nucleophiles?

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  5. The addition of HBr to propylene takes place opposite to Markownikoff'...

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  6. Anti-Markownikoff's addition is not observed in:

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  7. Ammonia is iso-structural with:

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  8. Which of the following statements is correct?

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  9. Which of the following statements is correct about a carbocation?

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  10. S(N^(1)) mechanism for the hydrolysis of an alkyl halide involves the ...

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  11. Stability of overset(+)CH(2)-CH=CH(2) can be explained by:

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  12. Nucleophilic part of the reagent attacks the substrate CH(3)CH(2)COCH(...

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  13. Which of the following is electron deficient ?

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  14. Hyperconjugation is most useful for stabilizing which of the following...

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  15. Arrange the following in order of decreasing tendency towards S(N^(2))...

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  16. The peroxide effect in anti-Markownikoff's additon involves:

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  17. The decreasing order of strength of the bases, OH^(-), NH(2)^(-), H-C-...

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  18. Which one of the following reactions proceeds through free radical cha...

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  19. Which is the decreasing oreder of acidity in the following compounds? ...

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  20. Carbocation is a reaction intermediate in which of the following react...

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