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Write down the half cell reactions and c...

Write down the half cell reactions and cell reaction for Daniell cell.
`Zn(s)|Zn^(2+)(aq)(1M) || Cu^(2+)(aq)(1M)/Cu(s)`

Text Solution

AI Generated Solution

To solve the question regarding the Daniell cell, we will follow these steps: ### Step 1: Identify the oxidation half-reaction In the Daniell cell, zinc (Zn) is oxidized. The oxidation half-reaction can be written as: \[ \text{Zn(s)} \rightarrow \text{Zn}^{2+}(aq) + 2e^- \] This indicates that solid zinc loses two electrons to form zinc ions. ### Step 2: Identify the reduction half-reaction ...
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Knowledge Check

  • The cell reaction of the galvanic cell: Cu(s)|Cu^(2+)(aq)||Hg^(2+)(aq)|Hg(l) is

    A
    `Hg+Cu^(2+)rarrHg^(2+)+ Cu`
    B
    `Hg+Cu^(2+)rarrCu^(+)+Hg^(+)`
    C
    `Cu+HgrarrCuHg`
    D
    `Cu+Hg^(2+)rarrCu^(2+)+Hg`.

  • The cell reaction of the galvanic cell Cu(s)|Cu^(2+)(aq)||Hg^(2+)(aq)|Hg(l) is

    A
    `Hg+Cu^(2+)rarrHg^(2+)+cu`
    B
    `Hg+Cu^(2+)rarrCu^(+)+Hg^(+)`
    C
    `Cu+HgrarrCuG`
    D
    `Cu+Hg^(2+)rarrCu^(2+)Hg`

  • Select the correct cell reaction of the cell Ag(s)|Ag^+(aq)"||"cu^(2+)(aq)"|"cu(s) :

    A
    `2Ag(s)+cu(s)tocu^(+2)(aq)+2Ag^+(aq)`
    B
    `cu(s)+2Ag^+(aq)tocu^(2+)(aq)+2Ag(s)`
    C
    `2Ag(s)+cu^(2+)(aq)tocu(s)(aq)+2Ag^+(aq)`
    D
    `cu^(2+)(aq)+2Ag^+(aq)to2Ag(s)+cu(s)`

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    Write each half cell reaction as well as redox reaction for the following electrochemical cell AL(s)|AL^(3+)(1M)|| Zn^(2+)(1M)|Zn(s)

    For a standard cell Zn(s)|Zn^(2+)(1 M)||Cu^(2+)(1 M)|Cu(s) Write the electrode reaction and cell reaction. Also find the e.m.f. of cell if ? E_(Zn^(2+)|Zn)^(@)=-0.76" V", E_(Cu^(2+)|Cu)^(@)=+0.34" V" .

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