Give reasons : (a) E∘ value for Mn3+/Mn2+ couple is much more p – InterviewSolution

1.	Give reasons : (a) E∘ value for Mn3+/Mn2+ couple is much more positive than that for Fe3+/Fe2+. (b) Iron has higher enthalpy of atomization than that of copper. (c) Sc3+ is colourless in aqueous solution whereas Ti3+ is coloured.
Answer» Give reasons : (a) $E^{\circ}$ value for $M n^{3 +} / M n^{2 +}$ couple is much more positive than that for $F e^{3 +} / F e^{2 +} .$ (b) Iron has higher enthalpy of atomization than that of copper. (c) $S c^{3 +}$ is colourless in aqueous solution whereas $T i^{3 +}$ is coloured.

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