On the semi - reactions below is correct to say:
Li + + 1℮- => Li. Eº = -3,04V.
Au 3+ + 3℮- => Au. Eº = + 1,50V.
Pb 2+ + 2℮- => Pb . Eº = - 0,13V.
Ag + + 1℮- => Ag. Eº = + 0,80V.
a) In the semi reaction Ag, the potential fold if the number of moles of Ag fold.
b)all the half reactions, expression oxidation potentials of all the elements shown.
c)The lithium reduction potential is greatest among all tariff elements above.
d) In a reaction between Li + and Pb2 + lithium is reduced.
e)none of the alternatives
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Frankly I don't understand the question. What is a potential fold?
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