Question
Explain the properties of vitamins and also classify them.
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Column I
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Column II
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i.
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Lechlanche cell
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a.
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Cell reaction $2H_2 + O_2 ⎯→ 2H_2O$
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ii.
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Ni–Cd cell
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b.
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Does not involve any ion in solution and is used in hearing aids.
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iii.
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Fuel cell
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c.
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Rechargeable.
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iv.
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Mercury cell
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d.
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Reaction at anode, $Zn ⎯→ Zn^{2+} + 2e^-$
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e.
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Converts energy of combustion into electrical energy.
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