The standard electrode potential for the following reaction is `+1.33` V. What is the potential at pH=2.0? `Cr_(2)O_(7)^(2-)(aq,1M)+14H^(+)(aq)+6e^(-)to2Cr^(3+)(aq,1M)+7H_(2)O(l)`
A
`+1.820 V`
B
`+1.990 V`
C
`+1.608` V
D
`+1.0542` V
Text Solution
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The correct Answer is:
D
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The standard electrode potential for the following reaction is +1.33V . What is the potential at pH =2.0 ? Cr_(2)O_(7)^(2-)(aq,1M)+14H^(+)(aq)+6e^(-) rarr 2Cr^(3+)(aq. 1M)+7H_(2)O(l)
The standard electrode potential for the following reaction is -0.57 V. What is the potential at pH=12.0 ? TeO_(3)^(2-)(aq,1M)+3H_(2)O(l)+4e^(-)toTe(s)+6OH^(-)(aq)
Cr_(2)O_(7)^(2-)+H^(+)+SO_(3)^(2-) to Cr^(3+)(aq.)+SO_(4)^(2-)
The electrode with reaction :Cr_(2)O_(7)^(2-)(aq)+14H^(o+)(aq)+6e^(-) rarr 2Cr^(3+)(aq)+7H_(2)O can be represented as
Complete the chemical equations : Cr_2O_7^(2-) (aq) + Fe^(2+)(aq) + H^(+)(aq) to
Which of the following statements about the following reaction is // are not correct? Cr_(2)O_(7)^(2-)+3H_(2)O_(2)+8H^(o+)to2Cr^(3+)+7H_(2)O+3O_(2)
Fe^(2+)(aq.)+Cr_(2)O_(7)^(2-)+H^(+) to Fe^(3+)(aq.)+Cr^(3+)