The `E^(@)` for the following cell is +0.34 V. In(s)|In `(OH)_3(aq)"||"Sb_2^(-)(AQ)"|"Sb(s)`. Using `E^(@)=-1.0 V` for the In `(OH)_3`| In, couple, calculate `E^(@)` for the `Sb_2^(-)`|Sb half-reaction:
A
-1.34
B
0.66
C
0.82
D
-0.66
Text Solution
Verified by Experts
The correct Answer is:
D
Topper's Solved these Questions
ELECTROCHEMISTRY
NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|1 Videos
ELECTROCHEMISTRY
NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|1 Videos
DILUTE SOLUTION
NARENDRA AWASTHI|Exercise Level 3 - Match The Column|1 Videos
Consider the following cell reaction Cu(s)+2Ag^(+)(aq) rarr Cu^(2+) (aq) +2Ag(s) E_("cell")^(@)=0.46 V By boubling the concentration of Cu^(2+) , E_("cell") is
Sb_(2)S_(3) is -
Calculate the emf of the following cell: Cu(s)|Cu^(2+) (aq)||Ag^(+) (aq)| Ag(s) Given that, E_(Cu^(2+)//Cu)^(@)=0.34 V, E_(Ag//Ag^(+))^(@)=-0.80 V
Consider Delta G^(@) for the following cell reaction : Zn (s) + Ag_(2)O(s)+H_(2)O(l) hArr Zn^(2+)(aq)+2Ag(s)+2OH^(-)(aq) E_(Ag^(+)//Ag)^(@) = +0.80 and E_(Zn^(2+)//Zn)^(@) = - 0.76 V
What is DeltaG^(@) for the following reaction Cu^(+2)(aq)+2Ag(s)rarrCu(s)+2Ag E_(Cu^(+2)//Cu)^(@)=0.34V E_(Ag^(+)//Ag)^(@)=0.8V
In the button cells widely used in watches and other devices the following reaction takes place: Zn(s) + Ag_(2)O(s) + H_(2)O (l) to Zn^(2+) (aq) + 2Ag(s) + 2OH^(-)(aq) Determine DeltaG^(@) and E^(@) for the reaction Zn(s) to Zn^(2+) + 2e^(-) , E^(@) = 0.76 V Ag_(2)O + H_(2)O + 2e^(-) to 2Ag + 2OH^(-) E^(@) = +0.34 V
The standard reduction potentials at 298K for the following half cells are given : ZN^(2+)(aq)+ 2e^(-)Zn(s) , E^(@) = - 0.762V Cr^(3+)(aq)+ 3e^(-) Cr(s) , E^(@) = - 0.740V 2H^(+) (aq)+2e^(-) H_(2)(g) , E^(@)= 0.000V Fe^(3+)(aq)+ e^(-) Fe^(2+)(aq) , E^(@) = 0.770V which is the strongest reducing agent ?
Al^(3+)(aq)+3e^(-)rarrAl(s) E^(@)=-1.66V Mn^(2+)(aq)+2e^(-)rarrMn(s) E^(@)=-1.18V What is the standard potential of a volaic cell produced by using these two half-reactions?
Al^(3+)(aq)+3e^(-)rarrAl(s) E^(@)=-1.66V Mn^(2+)(aq)+2e^(-)rarrMn(s) E^(@)=-1.18V What process occurs at the anode of a volatic cell utilizing these two half-reactions?