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An electric current is passed through tw...

An electric current is passed through two solutions (a) `AgNO_3` and (b) a solution of 10g of blue vitriol in 500 ml water, using Pt separately After 30 min , it was found 1.307 g Ag was deposited. What was the concentration of `Cu^(2+)` after electrolysis?

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The correct Answer is:
`4.327 g L^(-1)`
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AAKASH SERIES-ELECTROCHEMISTRY -EXERCISE - 4.2
  1. What are reference electrodes ? How is a secondary reference electrode...

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  2. Calculate the time required for a current of 2 amp to decompose one gr...

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  3. An electric current is passed through two solutions (a) AgNO3 and (b)...

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  4. A current of 1.7 amp is passed through 300 ML of 0.16 M ZnSO4 solution...

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  5. A 200 W, 110 V in candescent lamp is connected in series with cells co...

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  6. E^@ of In^(3+), In^(+) and Cu^(2+)m Cu^(+) are -0.4 V and -0.42 V resp...

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  7. NO(3)^(-)(aq) + 2H^(+) (aq) + e^(-) to NO(2)(g) + H2O. Calculate the r...

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  8. How is Nernst equation useful in calculating the potential of a cell?

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  9. Write the working of concentration cell, mercury dry cell and nickel c...

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  10. Discuss the construction and working of lead storage battery.

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  11. What are fuel cells? Write their advantage and de-merits .

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  12. Distinguish between corrosion and passivity .

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  13. Mention the reason for corrosion and discuss the preventive methods fo...

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  14. One normal salt solution surrounding two platinum electrodes, 2.1 cm a...

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  15. Find the number coulombs needs to plate 10 cm xx 10 cm area to a 0.1...

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  16. Degree of dissociation of decinormal acetic acid is 3.66% at 25^@C.If...

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  17. When a current strength of 965 amp can deposit 0.9g of At metal in 20...

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  18. Certain quantity of electricity is passed through aqueous AgNO3 and aq...

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  19. Potential of normal calomel electrode is -0.28 V . The emf of cell obt...

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  20. The standard potential of Ni^(2+), Ni is -0236 V. It this electrode is...

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