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Earn 100

The e.m.f. of the following cell

NisNiSO41.0MH+1.0MH21atm, Pt at 25°C is 0.236 V. The electrical energy which can be produced is :-

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Important Questions on Electrochemistry

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The reduction potential of hydrogen electrode having pOH=4 at 25°C is
 
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Consider the cell, H2Pt|H3O+aqp atm||Ag+x M|Ag. The measured EMF of the cell is 1.0 V. What is the value of xEAg+,Ag=+0.8 V T=25°C
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Hg2Cl2 is produced by the electrolytic reduction of Hg2+ ion in presence of Cl-ion is 2Hg2++2Cl-+2eΘHg2Cl2. Calculate the current required to have a rate production of 44 g per hour of Hg2Cl2.

[Atomic weight of Hg=200.6  ] :-

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Which of the following curve represents the variation of λm with C for AgNO3?
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Equivalent conductance of BaCl2, H2SO4 & HCl at infinite dilution are A1,  A2 & A3 respectively. Equivalent conductance of BaSO4 solution is :
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Consider the following Galvanic cell as shown in the figure:

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By what value will the cell voltage change when concentration of ions in anodic and cathodic compartments are both increased by a factor of 10 at 298K.

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IMPORTANT
Consider the following Galvanic cell.
Question Image
By what value the cell voltage change when concentration of ions in anodic and cathodic compartment both increased by factor of 10 at 298 K.
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IMPORTANT
The minimum equivalent conductance in fused state is shown by -