A) meta stannic acid
B) stannic nitrate
C) stannous nitrite
D) stannous nitrate
Correct Answer: A
Solution :
Metallic tin and cone.\[HN{{O}_{3}}\]react to produce hydrated stannic oxide\[Sn{{O}_{2}}.{{H}_{2}}O,\]or meta stannic acid\[{{H}_{2}}Sn{{O}_{3}}\]. \[Sn+\underset{cone.\text{ }nitric\text{ }acid}{\mathop{4HN{{O}_{3}}}}\,\xrightarrow{{}}~\underset{meta\text{ }stannic\text{ }acid}{\mathop{{{H}_{2}}Sn{{O}_{3}}}}\,+4N{{O}_{2}}\] \[+4{{H}_{2}}O\]
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