?Complete and balance the following half-reactions. In each case, indicate whether the

Chapter 20, Problem 20.23

(choose chapter or problem)

Complete and balance the following half-reactions. In each case, indicate whether the half-reaction is an oxidation or a reduction.

(a) \(\operatorname{Sn}^{2+}(a q) \longrightarrow \operatorname{Sn}^{4+}(a q)\) (acidic solution)

(b) \(\mathrm{TiO}_{2}(s) \longrightarrow \mathrm{Ti}^{2+}(a q)\) (acidic solution)

(c) \(\mathrm{ClO}_{3}^{-}(a q) \longrightarrow \mathrm{Cl}^{-}(a q)\) (acidic solution)

(d) \(\mathrm{N}_{2}(g) \longrightarrow \mathrm{NH}_{4}^{+}(a q)\) (acidic solution)

(e) \(\mathrm{OH}^{-}(a q) \longrightarrow \mathrm{O}_{2}(g)\) (basic solution)

(f) \(\mathrm{SO}_{3}^{2-}(a q) \longrightarrow \mathrm{SO}_{4}^{2-}(a q)\) (basic solution)

(g) \(\mathrm{N}_{2}(g) \longrightarrow \mathrm{NH}_{3}(g)\) (basic solution)

Text Transcription:

Sn2+(aq) \longrightarrow Sn4+(aq)

TiO2(s) \longrightarrow Ti 2+(aq)

ClO3 -(aq) \longrightarrow Cl -(aq)

N2(g) \longrightarrow NH4 +(aq)

OH-(aq) \longrightarrow O2(g)

SO3 2-(aq) \longrightarrow SO4 2-(aq)

N2(g) \longrightarrow NH3(g)