Why Sulphuric acid is more acidic than selenic acid?

Acidic strength of oxyacids H₂SO₄ and H₂SeO₄. Sulphur and Selenium belong to group sixteen in the periodic table. Sulphur is more electronegative the selenium and can polarize and weaken the O-H bond to a greater extent than selenium in their oxyacids, making sulphuric acid a stronger acid.

OXY ACIDS:

What are the oxy-acids?

What are "Ortho" or "Meta" oxyacids?

What are "pyro" oxy acids?

Suffix – “ic-acids” , ‘us-acids” :

Prefix “Hypo-acids”, and “Per-acids”:

How to find oxy-linkage present in a given oxy-acid:

How to pridict cyclic structure given compound/oxy-acid:

Oxy acids of Boron:

Oxy acids of Silicon:

Oxy acids of Nitrogen:

Oxy acids of Phosphorous:

Oxy acids of Sulphure:

Oxy acids of Chlorine:

Related Questions: 

What is Use of Boric Acid?

What is use of Orthoboric acids?

What is basicity of "Boric acid" ?

Why Boric acid exist in solid state ?

What is structure of solid Ortho Boric acid ?

What is effect of heat on Borax?

What is the structure of trimetaboric acid and trimetaborate ion?

What is the Sodium per borate ,give the structure and its uses?

Why aqueous solution of borax reacts with two moles of acids ?

What is the molecular formula of Borax ?

Why Boric acid become strong acid in the presence of cis 1,2-diol or 1,3-diol ?

Why Borazine is more reactive than benzene towards Electrophic Aromatic substitution reactions ?

Why Borazine (B3N3H6) is also known as inorganic benzene ?.