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Chemistry
When tin is treated with concentrated nitric acid
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Q. When tin is treated with concentrated nitric acid
AMU
AMU 2006
A
it converts into stannous nitrate
B
it converts into stannic nitrate
C
it converts into metastannic acid
D
it becomes passive
Solution:
Tin is oxidised to metastannic acid when it is treated with nitric acid.
$Sn +4 HNO _{3} \longrightarrow H _{2} SnO _{3}+4 NO _{2}+ H _{2} O$