THE BASICITY OF TETRAOXOSULPHATE6 ACID IS 2.EXPLAIN THE STATEMENT WITH EQU SHOWING REACTION BTW ACID&POTASRGUM HYDROXIDE

Where in the world does one call sulfuric acid 'Tetraoxosulphate6 Acid'?

Anyways ...
Molecular Equation ...
H2SO4 + 2KOH => K2SO4 + 2HOH

Ionic Equation ...
2(H^+) + (SO4^2-) + 2(K^+) + 2(OH-) => 2(K^+) + (SO4^2-) + 2(HOH)

(K^+) and (SO2^2-) are spectator ions

Net ionic equation ...
2(H^+) + 2(OH^-) => 2(HOH)
Divide through by 2 ...
=> (H^+) + (OH^-) => (HOH)