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The reagent that is used to distinguish ...

The reagent that is used to distinguish between secondary amine and teritary amine is:

A

p-toluenesulphonyl chlorides

B

Lucas reagent

C

`CHCl_(3)` and alc. KOH

D

Borche's product.

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The correct Answer is:
A
The p-toluenesulphonamide chloride

producing the corresponding p-toluenesulphoamide. Further, p-toleunesulphonamide of `2^(@)`-amine lacks the acidi hydrogen and do not form a soluble anion with base while `3^(@)` amines would yield highly unsatable cationic quatermary sulphonamides.
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