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Mention the reason for corrosion and dis...

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

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AAKASH SERIES-ELECTROCHEMISTRY -EXERCISE - 4.2
  1. What are fuel cells? Write their advantage and de-merits .

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  2. Distinguish between corrosion and passivity .

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

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

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

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

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

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

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

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

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  11. The oxidation power of halogens and the reducing power of halides is j...

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  12. E0 for the reaction , Ag^(+) + e^(-) to Ag, is 0.8 V. Calculate E^@ f...

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  13. Standard oxidation potential of iron electrode is + 0.44 V. Calculate ...

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  14. Colour of potassium iodide solution containing starch turns blue when ...

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  15. E0 values of Zn^(2+), Zn , Mg^(2+), Mg and Cu^(2+), Cu are -0.76 V, ...

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  16. At 298 K the equilibrium constant for the redox reaction CuSO4 + Fe <...

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  17. Ag^(+) + e^(-) rarr Ag, E^(0) = + 0.8 V and Zn^(2+) + 2e^(-) rarr Zn, ...

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  18. E^@ value for Fe^(3+) 3e^(-) to Fe and Fe^(2+) + 2e^(-) to Fe are -0.0...

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  19. The EMI of the cell Pt, H(2)(2 atm) |HCl (1M)|H2(10 atm),Pt is xV and...

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  20. At 25^@C the EMF of the cell Zn, ZnSO4"//"CuSO4, Cu is 0.03V. The tem...

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