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Acidic solution, hence we can assume water and H+ where ever required
Step 1
Sn + 2H20 -----> SnO2 + 4H+ + 4e-
Step 2
HNO3 + H+ + e- ------> NO2 + H20
Step 3 (eliminating electrons)
Sn + 4HNO3 ---------->SnO2 + 4NO2 + 2H2O
Solution
Acidic solution, hence we can assume water and H+ where ever required
Step 1
Sn + 2H20 -----> SnO2 + 4H+ + 4e-
Step 2
HNO3 + H+ + e- ------> NO2 + H20
Step 3 (eliminating electrons)
Sn + 4HNO3 ---------->SnO2 + 4NO2 + 2H2O

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Acidic solution, hence we can assume water and H+ where ever require.pdf

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