The number of non-ionisable protons present in the product B obtained from the following reactions is__.
C2H5OH+PCl3→C2H5Cl+A
A+PCl3→B
The number of non-ionisable protons present in the product B obtained from the following reactions is__.
C2H5OH+PCl3→C2H5Cl+A
A+PCl3→B
Correct Answer: 2
Solution and Explanation
PCl3 + C2H5OH → C2H5Cl + H3PO3
(A)
H3PO3 + PCl3→ H4P2O5
(A) (B)
Structure of H4P2O5
Total 2 non-ionizable protons are present.
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Concepts Used:
Organic Chemistry – Some Basic Principles and Techniques - Reaction Mechanism
SN1 Reaction Mechanism:
SN1 reaction mechanism takes place by following three steps –
- Formation of carbocation
- Attack of nucleophile
- Deprotonation
SN2 Reaction Mechanism:
The SN2 reaction mechanism involves the nucleophilic substitution reaction of the leaving group (which generally consists of halide groups or other electron-withdrawing groups) with a nucleophile in a given organic compound.
Electrophilic Aromatic Substitution Reaction Mechanism:
The mechanism of an electrophilic aromatic substitution reaction contains three main components which are:
- A new sigma bond from C=C is formed during the reaction in the arene nucleophile.
- Due to the breaking of the C-H sigma bond, a proton is removed.
- The C=C bond is reformed and it restores the aromaticity of the compound.
Electrophilic Substitution Reaction Mechanism:
The electrophilic substitution reaction mechanism is composed of three steps, which will be discussed more below.
- Electrophile Generation
- Carbocation Formation
- Proton Removal