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Consider the nucleophilic attacks given ...

Consider the nucleophilic attacks given below. Select in each pair that shows the greater `S_(N^2)` reaction rate.

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The correct Answer is:
D
(A) `Br^(Theta)` is best . L.G than `-O-overset(O)overset(||)C-Me`
(B) `SH^(Theta)` is best `Nu^(Theta) ` than MeSH
(C) `Cl^(Theta)` is best `Nu^(Theta)` than `I^(Theta)` is DMSO
(D) In polar protic solvent `I^(Theta)` is better `Nu^(Theta)` than `Cl^(Theta)`
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Which of the following is an example of S_(N^2) reaction ?

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SN^1 reaction is given by alkylhalide which forms stable carbocation during reaction. The carbonation, has sp^2 hybridisation. In SN^1 reaction, the attack of the nucleophile to carbocation inter mediate is from either side. In SN^2 reaction the attacking nucleophile attacks from the back leading to the formation of inversion complex. Alcohol reacts with PCI_5 to give alkyl chloride by an internal attack of nucleophile with in the molecule. In the following reaction

SN^1 reaction is given by alkylhalide which forms stable carbocation during reaction. The carbonation, has sp^2 hybridisation. In SN^1 reaction, the attack of the nucleophile to carbocation inter mediate is from either side. In SN^2 reaction the attacking nucleophile attacks from the back leading to the formation of inversion complex. Alcohol reacts with PCI_5 to give alkyl chloride by an internal attack of nucleophile with in the molecule. In the following reaction

SN^1 reaction is given by alkylhalide which forms stable carbocation during reaction. The carbonation, has sp^2 hybridisation. In SN^1 reaction, the attack of the nucleophile to carbocation inter mediate is from either side. In SN^2 reaction the attacking nucleophile attacks from the back leading to the formation of inversion complex. Alcohol reacts with PCI_5 to give alkyl chloride by an internal attack of nucleophile with in the molecule. In the following reaction . If R is H - undersetoverset(|)(D)oversetunderset(|)(CH_3)(C ) - R - OH underset(Py)overset(SOCl_2)(to) R - Cl + SO_2 + HCl

In the following pairs of halogen compounds which would undergo S_(N^(2)) reaction faster?

SN^2 reactions of alkyl halides is a bimolecular reaction which take place through formation of a transition state. The rate of reaction depends on the concentration of alkyl halide and nucleophile.The reaction is favoured by strong nucleophlie in polar aprotic solvents. In the transition state in the SN^2 reaction is represented as . The central carbon atom is

In a reactio between A and B, the initial rate of reaction (r_(0)) was measured for different initial concentrations of A and B as given below : What is the order of the reaction with respect to A and B?

SN^2 reactions of alkyl halides is a bimolecular reaction which take place through formation of a transition state. The rate of reaction depends on the concentration of alkyl halide and nucleophile.The reaction is favoured by strong nucleophlie in polar aprotic solvents. In which of the following solvents SN^2 reaction is more favourable

MS CHOUHAN-ALKYL HALIDES (SUBSTITUTION REACTIONS)-LEVEL-2
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  2. The order of the nucleophilicity of F^(-) ,Cl^(-), Br^(-) and I^(-) in...

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  3. Statement - 1 : CH(3) - CH(2) - Cl + NaI("Acetone") rarr CH(3) - CH(2)...

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  4. Encircle whichever of the following:

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  5. Encircle whichever of the following: undergoes and S(N^2) reaction m...

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  6. Encircle whichever of the following: undergoes and S(N^1) reaction m...

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  7. Encircle whichever of the following: undergoes an E2 reaction to giv...

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  8. Encircle whichever of the following: reacts with Nal to give (Z) - 1...

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  9. Encircle whichever of the following: undergoes and S(N^(1)) reaction...

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  10. Encircle whichever of the following : undergoes and S(N^2) reaction ...

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  11. Encircle whichever of the following : undergoes an E1 reaction more ...

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  12. Encircle whichever of the following : undergoes an S(N^1) reaction m...

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  13. Encircle whichever of the following : undergoes an S(N^2) reaction m...

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  14. Encircle whichever of the following : undergoes an E2 reaction more ...

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  15. Match the column :

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  16. Matrix :

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  17. Encircle whichever of the following : undergoes an S(N^2) reaction m...

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  18. Encircle whichever of the following : undergoes an S(N^1) reaction m...

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  19. Encircle whichever of the following : undergoes an S(N^1) reaction m...

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  20. Reativity : Circle the reaction that reacts FASTER by S(N^2) in each p...

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  21. Consider the potential energy diagram given below (X) Name the po...

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