Question

Complete the following reaction:
CH3 - CH2 - OH + PCl3 =

Answer 1

3CH3-CH2-Cl + H3PO3
here reactant ethyl alcohol have to take 3 moles

Answer 2

The complete reaction,

CH3 - CH2 - OH + PCl3 --> CH3-CH2-Cl + H3PO3

• The reaction of the above reaction would be,
• 3CH3 - CH2 - OH + PCl3 --> 3CH3-CH2-Cl + H3PO3.

• This reaction follows Anti-Markovnikov's rule.
• Anti-Markovnikov's rule states that, when a substituent is linked to a less substituted atom than the available one then it rearranges or gets attached to a more substituted atom.
• In similar way, the above reaction has reacted and the following reaction is formed.

• 3CH3 - CH2 - OH + PCl3 --> 3CH3-CH2-Cl + H3PO3.

• The above reaction also follows SN2 reaction.
• In SN2 reaction S stands for Substitution and N stands for nucleophile, so its a substitution nucleophilic reaction.

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