1.

Arrange the following compounds in increasing order of solubility in water. C_(6)H_(5)NH_(2),(C_(2)H_(5))_(2)NH_(3),C_(2)H_(5)NH_(2).

Answer»

Solution :The EXTENT of H-bonding and HENCE solubility in water DECREASES as the steric hindrance due to the size of alkyl/aryl groups INCREASES. THUS, solubility increases in the order: `C_(6)H_(5)NH_(2) lt (C_(2)H_(5))_(2)NH lt C_(2)H_(5)NH_(2)`.


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