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The decreasing order of strength of the ...

The decreasing order of strength of the bases, `OH^(-), NH_(2)^(-), H-C-=C^(-)` and `CH_(3)-CH_(2)^(-)`:

A

`"IV "gt" II "gt" III "gt" I"`

B

`"III "gt" IV "gt" II "gt" I"`

C

`"I "gt" II "gt" III "gt" IV"`

D

`"II "gt" III "gt" I "gt" IV"`

Text Solution

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

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

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

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

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

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  7. The compound that does not undergo hydrolysis by S(N^(1)) mechanism is...

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  8. Which one is a nucleophilic substitution reaction among the following ...

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  9. Hypercojnugation is not possible in :

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  10. Reimer-Tiemann reaction of phenol with cholorform and aqueous alkali t...

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  11. The reaction intermediate carbenes are produced from"

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  12. In the following group : -OAc(I),-OMe(II),-OSO(2)(III),-OSO(2)CF(3)(...

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  13. ":CCl"(2) is :

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  14. In additon reactions of alkenes, the Markownikoff's rule follow:

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  15. Addition of HBr to propene in presence of peroxide (antiMarkownikoff's...

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  16. A nucleophile must have :

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  17. In a Friedel-Crafts reaction, the electrophile is:

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  18. Arrange the following carbanions in decreasing orde of stability: HC...

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  19. Arrange the following carbocations in order of increasing stability : ...

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  20. Which one of the following behaves both as a nucleophile and an electr...

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