Question

When acidified K₂Cr₂O₇ solution is added to Sn²⁺ salt then Sn²⁺ changes to
(a) Sn
(b) Sn³⁺
(c) Sn⁴⁺
(d) Sn⁺

Answer 1

SN4+ IS CORRECT ANSWER.......

Answer 2

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (A) Sn.

That's it..