The decreasing order of Acidity for the following compound will be

The decreasing order of acidity among the following compounds is : underset("(I)")("ethanol"), underset("(II)")("2,2,2-trifluoroethanol"),underset("(III)")("trifluoroacetic"),underset("(IV)")("acetic acid")

Decreasing order of acidic strength of following compound is

Decreasing order of acidic strength of following compound is