An electrochemical cell has the following standard cell notation. Mg(s) | Mg2+(aq) || Ag+(aq) | Ag(s)

a. Write the balanced oxidation and reduction half-reactions, labeling the oxidation reaction and the reduction reaction. (4 points)

b. What is the standard potential for the cell? (2 points)

c. Is this a spontaneous or nonspontaneous reaction? Explain your answer. (2 points)

d. Is this a galvanic cell or an electrolytic cell? Explain your answer. (2 points)

e. Write a balanced redox equation for the cell using the oxidation and reduction half-reactions. (Be sure to equalize charge by multiplying by the correct numbers before adding and simplifying.) (6 points)

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.