Consider the half reactions with standard potentialsi. \(Ag^+_{(aq)}

1.	Consider the half reactions with standard potentialsi. \(Ag^+_{(aq)} + e^- \longrightarrow Ag_{(s)} \,E^0 = 0.8\,V\)ii. \(I_{2(s)} + 2e^- \longrightarrow\) \(2I^-_{(aq)}\,E^0 = 0.53\,V\)iii. \(Pb^{2+}_{(aq)} + 2e^- \longrightarrow\) \(Pb_{(s)}\, E^0 = -0.13\, V\)iv. \(Fe^{2+}_{(aq)} + 2e^- \longrightarrow\) \(Fe_{(s)}\, E^0 = -0.44\, V\)The strongest oxidising and reducing agents respectively are(a) Ag and Fe2+ (b) Ag+ and Fe(c) Pb2+ and I-(d) I2 and Fe2+
Answer» Correct answer is (b) Ag⁺ and Fe

Consider the half reactions with standard potentialsi. \(Ag^+_{(aq)} + e^- \longrightarrow Ag_{(s)} \,E^0 = 0.8\,V\)ii. \(I_{2(s)} + 2e^- \longrightarrow\) \(2I^-_{(aq)}\,E^0 = 0.53\,V\)iii. \(Pb^{2+}_{(aq)} + 2e^- \longrightarrow\) \(Pb_{(s)}\, E^0 = -0.13\, V\)iv. \(Fe^{2+}_{(aq)} + 2e^- \longrightarrow\) \(Fe_{(s)}\, E^0 = -0.44\, V\)The strongest oxidising and reducing agents respectively are(a) Ag and Fe2+ (b) Ag+ and Fe(c) Pb2+ and I-(d) I2 and Fe2+

Answer»

Correct answer is

(b) Ag⁺ and Fe

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What are elementary reactions ?

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