HCl would dissolve the best in water , Option A is the correct answer.
What is a Polar Molecule ?
A polar molecule is a compound which has one side positive charge density and the other side negative charge density.
It can easily form bonds, and the ionic bonds are stronger than any other bond.
It is asked in the question that what would dissolve best in water among the given options.
The water is a polar molecule and an ionic compound will dissolve best in water as the new bonds can be formed easily.
In the options given HCl is the only polar molecule.
Therefore HCl would dissolve the best in water .
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