Distinguish between propan 1 ol and propan 2 ol
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Chemical test to distinguish between propan-1-ol from propan-2-ol
Answered by admin @
Lucas Reagent test.
Propan-1-ol is a primary alcohol, it will show turbidity on mixing with Lucas Reagent (mixture of hydrochloric acid and zinc chlorate) only on moderate heating.
Propan-2-ol is a seccondary alcohol, it will show turbidity after 5-10 min. with reagent without heating.
CH3-CH(OH)CH3 +PCl5 --------->CH3CH(Cl)CH3 + POCl3+HCl
Chlorobenzene and Benzyl chloride

Chlorobenzene will not give white precipitate.
Benzene is an electron rich molecule. Nucleophiles on the other hand seek electron deficient sites. This is why; benzene do not undergoes nucleophiles substitution reactions very easily.
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