What is the proper designation of configuration for this molecule?

$($A$)(2S,3S)$

$($B$)(2R,3R)$

$($C$)(2S,3R)$

$($D$)(2R,3S)$

Which is not an appropriate resonance structure for this compound?

$($A$)$

$($B$)$

$($C$)$

$($D$)$

Which compound undergoes the most rapid reaction with methoxide ion?

$($A$)$

$($B$)$

$($C$)$

$($D$)$

In addition to the product indicated, what other anmnound ic exnected tn he formed hy thic reaction?

$($A$)$

$($B$)$

$($D$)$

Which monomer will undergo anionic polymerization?

$($A$)H_{2}C=CHC{H}_3$

$($B$)H_{2}C=CHOC{H}_{2}C{H}_3$

$($C$)$

$($D$)$

What is the product of this reaction?

$($C$)$

$($D$)$

$($B$)$

Which sequence of reactions would be appopriate to

$($A$)$

$($B$)$

$($C$)$

Which sequence of reactions would be appopriate to

$NaB{H}_4$

$-78$

$($D$)$

$10$

END OF TEST