Ncert Exercises & Solutions

When acidified $K_{2} C r_{2} O_{7}$ the solution is added to Sn⁺⁺ salt then Sn⁺⁺ changes to

1. Sn
2. Sn³⁺
3. Sn⁴⁺
4. Sn⁺

Hint: K₂Cr₂O₇ is a strong oxidising agent

When the acidified

K_{2} C r_{2} O_{7}

solution is added to

S n^{2 +}

salts then

S n^{2 +}

changes to

S n^{4 +}

The reaction is given below