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How many moles of mercury will be produc...

How many moles of mercury will be produced by electrolysing 1.0 M `Hg(NO_(3))_(2)` solution by a current of 2.0 A when passed for 3 hours ?

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To determine how many moles of mercury (Hg) will be produced by electrolyzing a 1.0 M `Hg(NO₃)₂` solution with a current of 2.0 A for 3 hours, we can follow these steps: ### Step 1: Calculate the total charge (Q) passed through the solution. The formula for charge is given by: \[ Q = I \times t \] where: - \( I \) = current in amperes (A) - \( t \) = time in seconds (s) ...
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(a) How many mole of mercury will be produced by electrolysing 1.0 MHg (NO_(3))_(2) solution with a current of 2.00 A for 3 hours? [Hg (NO_(3))_(2) = 200.6 g mol^(-1) ]. (b) A voltaic cell is set up at 25^(@) C with the following half-cells Alk^(3+) (0.001M) and Ni^(2+) (0.50M). Write an equation for the reaction that occurs when the cell generates an electric current and determine the cell potential. (Given : E_(Ni^(2+)//Ni)^(2)=- 0.25 V,E_(Al^(3+)//Al)^(@)= - 1.66V )

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DINESH PUBLICATION-ELECTROCHEMISTRY-Example
  1. (a) Current of 1.5 ampere was passed through an electrolyte containing...

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  2. A solution of M(NO(3))(2)was electrolysed by passing a current of 2.5...

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  3. How many moles of mercury will be produced by electrolysing 1.0 M Hg(N...

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  4. Two electrolytic cells containing silver nitrate solution and dilute s...

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  5. Calculate the pH of 0.5 of 1.0 M NaCl solution after electrolysis when...

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  6. The specific conductance of 0.05 N solution of an electrolyte at 298 K...

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  7. A 0.05 M NaOH solution offered a resistance of 31.6 Omega in a conduct...

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  8. The measured resistance of a conductivity cell containing 7.5xx10^(-3)...

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  9. Resistance of a conductivity cell filled with 0.1 M KCl is 100 ohm. ...

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  10. Electrolytic conductivity of 0.30 M solution of KCl at 298 K is 3.72xx...

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  11. The electrical resistance of a column of 0.05 " mol " L^(-1) NaOH solu...

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  12. wedge^(@).(m) for CaCl(2) and MgSO(4) from the given data. lambda(C...

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  13. Calculate Lambda(m)^(oo) for acetic acid, given, Lambda(m)^(oo)(HCl)...

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  14. At 298 K, the specific conductance of 0.1 M acetic acid solution was f...

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  15. The conductivity of 0.001 " mol "L^(-1) solution of CH(3)COOH is 4.95x...

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  16. The molar conductivity of 0.025 M methanoic acid (HCOOH) is 46.15" S "...

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  17. The conductance of 0.0015 M aqueous solution of a weak monobasic acid ...

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  18. The specific conductance of a saturated solution of AgCl in water is 1...

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  19. Standard free energies of formation (I kJ //mol ) at 298 K are -237 ....

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  20. In the button cell, widely used in watches, the following reaction tak...

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