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Question:

A mixture containing the following four compounds is extracted with 1M HCl. The compound that goes to the aqueous layer is: (I), (III), (IV), (II)

(I)

(IV)

(III)

(II)

Solution:

A mixture containing four compounds is extracted with 1 MHCl. The compound that goes to an aqueous layer is compound (II). It is an amine. Pure amine is water insoluble. On reaction with HCl, it forms a salt which is water soluble. Hence, the option (D) is the correct answer.