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प्रश्न
Out of
, which is more reactive towards SN1 reaction and why?
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उत्तर
Since formation of carbocation is the rate-determining step in the SN1 reaction, the stability of carbocation would determine its reactivity.
The order of stability of carbocation is as follows:
Tertiary > Secondary > Primary >Methyl
Here, 1-chloro-1-methylpropane would form secondary carbocation, while 1-chloro-2-methylpropane will form primary carbocation, which is less stable than secondary carbocation. Hence, reactivity towards the SN1 reaction would be higher for 1-chloro-1-methylpropane.
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संबंधित प्रश्न
Give reasons for the following:
(CH3)3C–O–CH3 on reaction with HI gives (CH3)3C–I and CH3–OH as the main products and not (CH3)3C–OH and CH3–I.
Arrange the compounds of the following set in order of reactivity towards SN2 displacement:
1-Bromobutane, 1-Bromo-2, 2-dimethylpropane, 1-Bromo-2-methylbutane, 1-Bromo-3-methylbutane
SN1 reactions are accompanied by racemization in optically active alkyl halides.
What is the action of the following on ethyl bromide
alcoholic solution of potassium hydroxide.
In the SN1 reaction, racemization takes place. It is due to:
An important chemical method to resolve a racemic mixture makes use of the formation of ______.
Aryl halides are extremely less reactive towards nucleophilic substitution. Predict and explain the order of reactivity of the following compounds towards nucleophilic substitution:
| (I) | ![]() |
| (II) | ![]() |
| (III) | ![]() |
Among the following compounds I - IV, which one forms a yellow precipitate on reacting sequentially with (i) NaOH (ii) dil. HNO3 (iii) AgNO3?
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| I | II | III | IV |
Assertion (A) : Nucleophilic substitution of iodoethane is easier than chloroethane.
Reason (R) : Bond enthalpy of C-I bond is less than that of C-Cl bond.
The correct order of increasing reactivity of

C-X bond towards nucleophile in the following compounds is:







