What is It ?
Assigned electrode
potential
·
Eo
-
=
Ov
XX
·
used as a reference to measur
the electrode potential of other
half cell
potential ?
#
What is a standard electrode
measured half connected
voltage when cell is
·
a
standard 9
to the
hydrogen electrode
dilute sulphuric
Standard conditions acd 2H
+
+ 2 = Hz
Structure :
Always on the left (Anode) Platinum wire Es foll E =
0 , 00V
↳
(inert)
Sign value on voltmeter >
-
unreactive
can be allocated as the >
-
transfers electrons
Standard electrode potential
written as anode in cell notation always
() isn't we can the of
tendency
>
-
eme means reaction
·
measure
Spontaneous in the direction other half cells to donate or accept
electrons to the of the
given tendency
>
-
Anode & cathode half cell reactions SHE Cell
occur the same
Cell notation
Pt(s)/H2 dm-3)/H + (ag // / X 18)
(g Lag
+
,
(mol .
,
1 mol . dm-3) X ,
Imol .
dm-3)
at 25 C
: