91Ó°ÊÓ

We need to find that which out of the $bu\tan e$and$1-propanol$will be more soluble in water

We know that

The compound which will form more hydrogen bonds will be more soluble in water.

And out of the given compounds $1-propanol$will form hydrogen bonds

Therefore, The $1-propanol$will be more soluble in water

We need to find that which out of the $2-propanol$and $diethylether$will be more soluble in water

We know that

The compound which will form more hydrogen bonds will be more soluble in water.

And out of the given compounds $2-propanol$will form hydrogen bonds

Therefore, The $2-propanol$will be more soluble in water

We need to find that which out of the $ethanol$and $1-hexanol$ will be more soluble in water

We know that

The compound which will form more hydrogen bonds will be more soluble in water.

And out of the given compounds $ethanol$will form hydrogen bonds

Therefore, The $ethanol$will be more soluble in water