Action of conc. nitric acid on metallic tin gives ____ ?
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a
Stannic nitrate
b
Stannous nitrate
c
Stannous nitrite
d
Meta-stannic acid
answer is D.
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Detailed Solution
Most metals dissolve in conc. nitric acid to yield corresponding nitrates and release nitrogen dioxide. But tin produces meta stannic acid.Sn + conc. HNO3→H2SnO3+H2O+NO2