Question

Please clarify if those are polar and if they would be soluble together?

Methylene Chloride & H2O-

Hexane & H2O -

Ethyl 4-aminobenzoate, sodium hydroxide & H20 -

Benzoic Acid, H2O & sodium hydroxide -

Answer 1

answer = option 4 = Benzoic Acid, H2O & sodium hydroxide -

benzoic acid , H2O and NaOH are polar in nature .

benzoic acid dissolve in water

NaOH also dissolve in water.

so all mix together.