(r)

Spontaneous

(D)

Oxidation of Sn to

(s)

Non-spontaneous

(t)

​​

","answerCount":1,"educationalLevel":"NEET / NCERT","acceptedAnswer":{"@type":"Answer","text":"The correct option is (C\nE): Option (C\nE). Explanation: Correct Answer is:* A → p, t; B → q, t; C → s, t; D → r\n\n​$\begin{matrix}S n^{2 +} + 2 e \rightarrow S n \textrm{ }\textrm{ } \textrm{ }\textrm{ } \textrm{ }\textrm{ } \textrm{ }\textrm{ } \textrm{ }\textrm{ } E^{\circ} = - 0.14 \textrm{ }\textrm{ } V \\ \\ \\ S n^{4 +} + 2 e \rightarrow S n^{2 +}..."}}}