What are the products of the following reactions? $(8$ points$)$

i$)$

ii$)$

i$)$ Rank the following compounds in order of decreasing boiling points $($highest to lowest$)$: $(4$ points$)$

B$.$

C$.$

ii$)$ Rank the following three carboxylic acids in order of decreasing acidity. $($strongest to weakest$).(4$ points$)$

I. $3-$chlorobutanoic acid; II$.2-$methylbutanoic acid; III. $2-$chlorobutanoic acid; $2-$nitrobutanoic acid

iii$)$ Rank the following substances in order of decreasing acid strength $($strongest $$ weakest$).(4$ pts$)$

$C{H}_3-$ CO$-$NH$-$CO$-C{H}_3,C{H}_{3}C{H}_{2}N{H}_2$

$C{H}_3\frac{C}{O}OH$

$C{H}_3*CO-N{H}_2$

I

II

III

IV

iv$)$ Which structure below is the hydroxy acid, which corresponds to the following lactone? $(4$ points$)$

A$)$

$)$

c$)$

b$)$

v$)$ Which one of the following compounds undergoes decarboxylation upon heating? $(4$ points$)$

A$)$

c$)$

$)$

D$)$