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WHICH OF THE FOLLOWING WILL BE MOST SOLUBLE IN H2O?1. Ar2. O23. CO24. CH45. KCI

Question

WHICH OF THE FOLLOWING WILL BE MOST SOLUBLE IN H2O?

1. Ar

2. O2

3. CO2

4. CH4

5. KCI

check_circleAnswer
Step 1

A solution consists of two components; solute and solvent.  The solute can be defined as the component of a solution that is present in less amount whereas solvent is found in more amount.

For example in salt solution salt is solute and water is a solvent.

Step 2

If a solute is completely soluble in the solvent, it forms a true solution. To dissolve in a solvent, the solute molecules must have some intermolecular interactions with solvent molecules.

Therefore a polar solvent dissolves polar solute and a non-polar solvent dissolves a non-polar solute.

Hence “Like dissolves like.”

Step 3

H2O is a polar covalent solvent as it consists of more electronegative O atom compare to H, therefore, polar solutes must be soluble in water.

KCl is an ionic compound that is composed of two type...

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