`Al^(3+)(aq) + 3e^(-) rightarrow Al(s)` `E^(@) = -1.66V` `Cu^(2+)(aq) + 2e^(-) rightarrow Cu(s)` `E^(@) = +0.34V` What voltage is produced under stand

Question

`Al^(3+)(aq) + 3e^(-) rightarrow Al(s)` `E^(@) = -1.66V` `Cu^(2+)(aq) + 2e^(-) rightarrow Cu(s)` `E^(@) = +0.34V` What voltage is produced under stand

`Al^(3+)(aq) + 3e^(-) rightarrow Al(s)` `E^(@) = -1.66V`
`Cu^(2+)(aq) + 2e^(-) rightarrow Cu(s)` `E^(@) = +0.34V`
What voltage is produced under standard conditions by combining the half-reactions witih these standard Electrode Potential?
A. 1.32 V
B. 2.00 V
C. 2.30 V
D. 4.34 V

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

Related Questions

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

The reduction potentials of `Cu^(2+)//Cu` and `Ag^(+)//Ag` electrodes are 0.34V and 0.80 v respectively. For what concentration of `Ag^(+)` ions will

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

An ideal gas having initial pressure p, volume V and temperature T is allowed to expand adiabatically until its volume becomes 5.66V, while its temper

2 Answers 5 Views

`(10Cl^(-)(aq) + 2MnO_(4)^(-)(aq) + 16H^(+)(aq) rightarrow 5Cl_(2)(g) + 2Mn^(2+) + 8H_2O)(l)` The value of `E^(@)` for this reaction at `25^(@)C` is 0

2 Answers 8 Views

`C_(7)H_(6)O_(3) + C_(4)H_(6)O_(3) rightarrow C_(9)H_(8)O_(4)O_(2)` What is the percent yield if 0.85g of aspirin is formed in the reaction of 1.00g o

2 Answers 6 Views

`Cu^(+) + e^(-) rightarrow Cu`, `E^(@) = x_1volt`, `Cu^(2+) + 2e^(-) rightarrow Cu`, `E^(@) = x_(2)` volt, then for `Cu^(2+) + e^(-) rightarrow Cu^(+)

2 Answers 4 Views

The standard potential of the reaction `H_(2)O + e^(-) rightarrow (1/2)H_(2) + OH^(-)` at 298 K by using `k_(w) (H_(2)O) = 10^(-14)`, is:

2 Answers 4 Views

Given : `Hg_(2)^(2+) rightarrow 2Hg`, `E^(@) = 0.789 V` and `Hg^(2+) + 2e^(-) rightarrow Hg`, `E^(@) = 0.854V` Calculate the equilibrium consant for `

2 Answers 5 Views

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

Salim Ahmed Kawsar

Correct Answer - B
The cell will be
`Al (s) |Al^(3+) (aq.)|| Cu^(2+) (aq.) | Cu(s)`
`E_("Cell")^(@) = E_("Cathode")^(@) - E_("Anode")^(@)`
`= E_(Cu^(2+)//Cu)^(@) - E_(Al^(3+) // Al)^(@)`
`= +0.34 - (- 1.66) = + 2.00 V`

7 views Answered 2023-02-05 15:29