Which of the following chlorides shows the most covalent character?

Which of the following is/are soluble in ethanol?

Which of the following substances has the least covalent character?

Which of the following statements are correct?
$(A)$ Both $LiCl$ and $MgCl_2$ are soluble in ethanol.
$(B)$ The oxides $Li_2O$ and $MgO$ combine with excess of oxygen to give superoxide.
$(C)$ $LiF$ is less soluble in water than other alkali metal fluorides.
$(D)$ $Li_2O$ is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below.

Which of the following has the lowest ionic character?

Identify the correct order of solubility in aqueous medium.