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v34...

v34

A

`2sqrt(5)`

B

`2sqrt(7)`

C

`2sqrt(2)`

D

4

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The standard reduction electrode potentials of the three electrodes P,Q and R are respectively -1.76V, 0.34V and 0.8V. Then

    A
    Metal Q will displace the cation of P from its aqueous solution and deposit the metal P
    B
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    C
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    D
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  • Standard electrode potential of Ag^(+)//Ag and Cu^(+)//Cu is +0.80V and +0.34V respectively. These electrodes are joint together by salt bridge if

    A
    copper electrode work like anode then `E_(cell)^(o)` is +0.45V
    B
    Silver electrode work like anode then `E_(cell)^(o)` is -0.34V
    C
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    D
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  • The SOP values of A,B,C and D are -0.03 V,+0.1.08 V,0.34 V and -2.37 V respectively. The spontaneous cell reaction takes place between

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    B
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    C
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