Incorrect statement is
2l−+S2O8−2→l2+2SO4−2 catalyst is Fe+3 and intermediate is Fe+2
Interstitial compounds are chemically reactive
Difference in metallic radii between two metals forming alloy must be lessthan 15%
V2O5 is amphoteric
In the above reaction moles of Fe+3 ions before the reaction and after the reaction remains same, hence Fe+3 ion acts as catalyst.
Fe+2 ion is formed as intermediate. (True)