In the cell pt(s) |H2(g, 1bar|HCl (aq)|Ag(s)|Pt(s) the cell potential is 0.92 when a 10−6 molal HCI solution is used. The standard electrode potential of (AgC1/Ag, C1−) electrode is {given, 
= 0.06Vat298K}
(a)
0.20 V
(b)
0.76 V
(c)
0.40 V
(d)
0.94 V
In the cell pt(s) |H2(g, 1bar|HCl (aq)|Ag(s)|Pt(s) the cell potential is 0.92 when a 10−6 molal HCI solution is used. The standard electrode potential of (AgC1/Ag, C1−) electrode is {given, = 0.06Vat298K}
(a)
0.20 V
(b)
0.76 V
(c)
0.40 V
(d)
0.94 V
Question ID - 52184 | SaraNextGen Top Answer
In the cell pt(s) |H2(g, 1bar|HCl (aq)|Ag(s)|Pt(s) the cell potential is 0.92 when a 10−6 molal HCI solution is used. The standard electrode potential of (AgC1/Ag, C1−) electrode is {given, = 0.06Vat298K}
(a)
0.20 V
(b)
0.76 V
(c)
0.40 V
(d)
0.94 V
|
In the cell pt(s) |H2(g, 1bar|HCl (aq)|Ag(s)|Pt(s) the cell potential is 0.92 when a 10−6 molal HCI solution is used. The standard electrode potential of (AgC1/Ag, C1−) electrode is {given, |
|||
|
(a) |
0.20 V |
(b) |
0.76 V |
|
(c) |
0.40 V |
(d) |
0.94 V |
1 Answer
127 votes
Answer Key / Explanation : (a) -
Pt(s)|H2(g, 1bar)|HClaq)|AgCI(s)|Ag(s)|Pt(s)
Anode: H2
2h+ +2e×1
Cathode : e−AgCI(s)
Ag(s)+Cl− (aq)
H2(g)1 + AgCI(s)2H++2(A)(s)+2Cl− (aq)
Ecell=e=
log10((H+)2.(Cl−)2)
.925=(
+
)
log10((10−6)2(10−6)2)
.92=0+
−0.03 log10(10−6)4
/Ag, CI=.92+.03×−24=0.2 V
127 votes
Answer Link
127