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CBSE Class 12-science Answered

<div>Please provide a simple explanation regarding the electrode potential of the d block elements. What is t2g?</div>
Asked by poojakamde3 | 01 Dec, 2017, 12:17: PM
Expert Answer
M→M2+
M2+→M3+ 
The above equations signifies the standard electrode potentials of some half–cells involving 3d-series of transition elements and their ions in aqueous solution, 
Electrode potential for a Mn+/M half-cell is a measure of the tendency for the reaction, Mn+(aq) + ne– → M(s)
Look out at this series:
Standard electrode potentials for 3d-elements
 
  The above transition series expalin the trends of d- block elements in which the negative values of E° for the first series of transition elements (except for Cu2+/ Cu ) indicate that metals should liberate hydrogen from dilute acids i.e., the reactions.
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