Question

What is 'A' in the following reaction? $2F{e}^{3+}(aq)+S{n}^{2+}(aq)\to 2F{e}^{2+}(aq)+A$

• A. $S{n}^{3+}(aq)$
• B. $S{n}^4+(aq)$
• C. $S{n}^{2+}(aq)$
• D. $Sn$

Answer 1

Answer: (B)

This is a redox reaction, in which $S{n}^{2+}$ is oxidised to $S{n}^{4+}$ $2F{e}^{3+}(aq)+S{n}^{2+}(aq)\to 2F{e}^{2+}(aq)+S{n}^{4+}(aq)$