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Suggest two materials other than H2 that...

Suggest two materials other than `H_2` that can be used as fuels in fuel cell.

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Methane `( CH_(4))` and methanol `( CH_(3) OH)`
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The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring during the corrosion of iron in the atmosphere. Suggest two materials other than hydrogen that can be used as fuels in fuel cells. The molar conductivity of 0.025 "mol L"^(-1) , methanoic acid is 46.1 scm^(2)"mol"^(-1) . Calculate its degree of dissociation and dissociation constant.

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ARIHANT PUBLICATION-ELECTROCHEMISTRY-QUESTIONS FOR PRACTICE ( PART III ELECTROLCHEMICAL CELLS AND SERIES , NERNST EQUATIONS, BATTERIES AND CORROSION ) ( VERY SHORT ANSWER TYPE QUESTIONS)
  1. In the electrochemical cell, oxidation takes place at "………………..".

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  2. The cations on reaching "………." gain electrons and from neutral atoms ,...

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  3. What is the standard electrode potential of hydrogen electrode?

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  4. Represent the galvanic cell in which the reaction, Zn(s) + Cu^(2+) (aq...

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  5. Write the Nernst equation for electrode reaction. M^(n+) (aq) + n e^...

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  6. Under what condition, E("cell") = 0 or Delta G = 0 ?

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  7. Can E("cell")^(@) or Delta r G ^(@) for cell reaction ever be equal t...

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  8. If a reaction has an equilibrium constant K lt 1, is E^(@) positive o...

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  9. Why does a dry cell become dead after a long time even if it has not ...

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  10. Unlike dry cell, the mercury cell has a constant cell potential throug...

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  11. Write the cell reaction of a lead storage battery when it is discharg...

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  12. Suggest two materials other than H2 that can be used as fuels in fuel ...

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  13. What advantage do the fuel cells have over primary and secondary batte...

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  14. Arrange the following metals in the order in which they displace each ...

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  15. Rusting of iron is quicker in saline water than in ordinary water. Giv...

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  16. Why does an alkaline medium inhibit the rusting of iron?

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  17. Why rusting of iron pipe can be prevented by joining it with a piece o...

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