Qusetion 1 : The EMF for the cell reaction Fe2+ + Mg ? Mg2+ + Fe is
Objective 1
-0.35 V
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+0.35 V
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+1.96 V
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-1.96 V
For the given reaction,
Eo = EoFe2+/Fe + EoMg/Mg2+
= 2.37 + (?0.41)
= +1.96 V
Question 2 : An example of condensation polymer is
Buna -S
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Orlon
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Styron
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Bakelite
All others are addition polymers.