Question:
The increasing order of nucleophilicity of the following nucleophiles is :
(a) ${CH_3CO^{\ominus}_2}$
(b) ${H_2O} $
(c) ${CH_3SO^{\ominus}_3}$
(d) ${O^{\ominus}H}$
The increasing order of nucleophilicity of the following nucleophiles is :
(a) ${CH_3CO^{\ominus}_2}$
(b) ${H_2O} $
(c) ${CH_3SO^{\ominus}_3}$
(d) ${O^{\ominus}H}$
Updated On: Jul 9, 2024
- $(b) < (c) < (a) < (d)$
- $(a) < (d) < (c) < (b)$
- $(d) < (a) < (c) < (b)$
- $(b) < (c) < (d) < (a)$
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The Correct Option is A
Solution and Explanation
ione pair donating tendency on oxygen is reduced, nucleophilicity reduced b < c < a < d
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Concepts Used:
Hydrocarbons - Reaction Mechanism
Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen. Typically, hydrocarbons are colourless gases that have very weak odours.
Mechanism of electrophilic substitution reactions:
According to experimental evidences, SE (S = substitution; E = electrophilic) reactions are supposed to proceed via the following three steps:
- Generation of the electrophile
- Formation of carbocation intermediate
- Removal of proton from the carbocation interm