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Nagaland Class 12-science Answered

Standard electrode potentials of d-f block elements
Asked by Ujwalsidhu19 | 08 Nov, 2018, 12:45: PM
answered-by-expert Expert Answer
M→M2+
M2+→M3+ 
The above equations signify 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 explain 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.
Answered by Ramandeep | 09 Nov, 2018, 09:49: AM
Nagaland 12-science - Chemistry
Asked by Ujwalsidhu19 | 08 Nov, 2018, 12:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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