Among the following compounds, identify which are insoluble, partially soluble, and highly soluble in water ?
`a.` Phenol `b.` Toluene
`c.` Formic acid `d.` Ethylene glycol
`e.` Chloroform `f.` Pentanol

Explanation

(i) Phenol (having polar-OH group)-Partially soluble.
(ii) Toluene (non-polar)-Insoluble.
(iii) Formic acid (form hydrogen bonds with water molecules )-Highly soluble.
(iv) Ethylene glycol (form hydrogen bonds with water molecules) Highly soluble.
(v) Chloroform (non-polar)-Insoluble.
(vi) Pentanol (having polar-OH)-Partially soluble.