1.

Order H_(3)PO_(4) gt H_(2)SO_(4) gt HNO_(3) gt HCl is correct for :-

Answer»

ACIDIC nature
Basic strength
Viscosity
Oxidation state

Solution :`underset(3OH)overset(H_(3)PO_(4))(HO-underset(OH)underset(|)overset(O)overset(||)P-OH)""underset(2OH)overset(H_(2)SO_(4))(HO-underset(O)underset(||)overset(O)overset(||)S-OH)""underset(OH)overset(HNO_(3))(HO-underset(O)underset(DARR)N=O)"" underset("No OH")(HCl)`


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