What is the increasing order of solubility of the following in water?

1.	What is the increasing order of solubility of the following in water?
A.	I<II<III<IV
B.	IV<III<II<I
C.	I<III<II<IV
D.	IV<II<III<I
Answer» D. IV<II<III<I

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What is the increasing order of solubility of the following in water?

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