If P, Q, R and S are elements of 3rd period of p-block in Modern Periodic Table, among these one element is metal and rest are non-metals and their order of electronegativity is given as :P<Q<R<SIn which of the following linkage release of H+ is relatively more easier?
a. P−O−H
b. S−O−H
c. Q−O−H
d. R−O−H