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Standard electrode potential values, E° of / Al is – 1.66 V and that of /Tl is 1.26 V. Predict about the formation of ion in solution and compare the electropositive character of the two metals. |
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Answer» ven two half-cell reactions are as follows ForForFrom the above "two half-cell" reactions, STANDARD ELECTRODE potential VALUES for "two half-cell" reactions indicate that aluminium has high TENDENCY to form trivalent form, i.e., . But it is not applicable to because it is UNSTABLE ion and it is strong oxidizing agent. The stable form of this ion is Therefore, aluminium easily form trivalent ion and more electropositive than Thallium." |
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