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Incorrect statement is
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a
2l−+S2O8−2→l2+2SO4−2 catalyst is Fe+3 and intermediate is Fe+2
b
Interstitial compounds are chemically reactive
c
Difference in metallic radii between two metals forming alloy must be lessthan 15%
d
V2O5 is amphoteric
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Correct option is B
Mechanism:2Fe+3+2I-→2Fe+2+I2 2Fe+2+S2O8-2→2Fe+3+2SO4-2In 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)Talk to our academic expert!
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