Determine Which of the Following Pairs of Reactants Will Result

question 91

Multiple Choice

Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 °C.

• A)Sn⁴⁺(aq)+ Mg(s); if E^o(Sn⁴⁺/Sn²⁺)= +0.15V and E^o(Mg²⁺/Mg)= -2.37V
• B)Cr³⁺(aq)+ Ni(s); if E^o(Cr³⁺/Cr)= -0.73V and E^o(Ni²⁺/Ni)= -0.23V
• C)Zn(s)+ Na⁺(aq); if E^o(Zn²⁺/Zn)= -0.76V and E^o(Na⁺/Na)= -2.71V
• D)Fe(s)+ Ba²⁺(aq); if E^o(Fe³⁺/Fe)= -0.04V and E^o(Ba²⁺/Ba)= -2.90V
• E)Ni²⁺(aq)+ NO(g); if E^o(Ni²⁺/Ni)= -0.23V and E^o(NO₃^-/NO)= +0.96V

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Definitions:

Inflationary Premium

The portion of interest rates or returns that compensates investors for the anticipated erosion of purchasing power due to inflation.

Money Rate

Often referring to the interest rates in financial markets; the cost of borrowing money.

Time Preference

The inclination of individuals to prefer goods and services in the present rather than in the future.

Time Preference

This concept describes individuals' preference for immediate benefits over future ones, influencing their decisions on saving, investing, and consumption.