`2Ce^(4+) + Co rightarrow 2Ce^(3+) + Co^(2+), E_(cell)^(@) = 1.89V` `E_(Co^(2+)//Co)^(@) = -0.277V`. Hence `E_(Ce^(4+)//Ce^(3+))^(@)` is

Question

`2Ce^(4+) + Co rightarrow 2Ce^(3+) + Co^(2+), E_(cell)^(@) = 1.89V` `E_(Co^(2+)//Co)^(@) = -0.277V`. Hence `E_(Ce^(4+)//Ce^(3+))^(@)` is

`2Ce^(4+) + Co rightarrow 2Ce^(3+) + Co^(2+), E_(cell)^(@) = 1.89V`
`E_(Co^(2+)//Co)^(@) = -0.277V`. Hence `E_(Ce^(4+)//Ce^(3+))^(@)` is
A. 0.805V
B. 1.61V
C. `-0.805V`
D. `-1.61V`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

In the cell reaction `Cu(S) + 2 Ag^(+) (aq) to Cu^(2+) (aq) + 2 Ag(s) , E_("cell")^(@) = 0.46` V By doubling the concentration of `Cu^(2+) , E_("cell"

2 Answers 4 Views

In a poteometer a cell of emf 1.5V gives a balanced point 32cm length of the cell is replaced by another cell then the balance point shifts to 65.0cm

2 Answers 4 Views

`MnO_(4)^(-) + 8H^(+) + 5e^(-) rightarrow Mn^(2+) + 4H_(2)O`, `E^(@) = 1.51V` `MnO_(2) + 4H^(+) + 2e^(-) righarrow Mn^(2+) + 2H_(2)O` `E^(@) = 1.23V`

2 Answers 5 Views

`CH_(3)CH_(2)Brunderset(alc.)overset(NaCN)toCH_(3)CN` true, hence `(CH_(3))_(3)CBrunderset(alc.)overset(NaCN)toA`. Hence A is,

2 Answers 6 Views

In a cell that utilizes the reactions. `Zn(s) + 2H^(+) (aq) rightarrow Zn^(2+)(aq) + H_(2)(g)` addition of `H_(2)SO_(4)` to cathode compartment, will

2 Answers 4 Views

12. Which of the following reactions is not correct? (a) \( 2 F _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 F ^{-}+ O _{2} \) (b) \( 2 I _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 I ^{-}+ O _{2} \) (c) \( Cl _{2}+ H _{2} O \rightarrow HCl + HOCl \) (d) \( Br _{2}+ H _{2} O \rightarrow HBr + HOBr \)

2 Answers 5 Views

12. Which of the following reactions is not correct? (a) \( 2 F _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 F ^{-}+ O _{2} \) (b) \( 2 I _{2}+2 H _{2} O \rightarrow 4 H ^{+}+4 I ^{-}+ O _{2} \) (c) \( Cl _{2}+ H _{2} O \rightarrow HCl + HOCl \) (d) \( Br _{2}+ H _{2} O \rightarrow HBr + HOBr \)

2 Answers 4 Views

A galvanic cell has `E_(cell)^(@)=1.5" V"`. If an opposing potential of `1.5" V"` is applied to cell, what will happen to the cell reaction and curren

2 Answers 5 Views

Fuel cell is an electrical cell which converts chemical energy into electrical energy. The most successful fuel cell is `H_(2)-O_(2)` fuel cell, which

2 Answers 4 Views

02. If \( a, b \), c ane anequal no in HP, the find \[ \Rightarrow \frac{a+b}{2 a-b}+\frac{c+b}{2 c-b} b= \]

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - b
Half cell reactions are
`CO rarr CO^(2+)+2e^(-)`
`2Ce^(4+)+2e^(-_rarr2Ce^(3+)`
`E_("cell")^(@)=+E_(Ca^(2+))^(@)+ "-"E_(Co^(2+)//Co)^(@)`
`1.80=E_(Co^(4+) //Co^(3+))^(@)+"-"(-0.277)`
`E^(@)Ce^(4+)=1.89-0.277=1.613V`

4 views Answered 2023-02-05 15:29