Circle and Name two functional groups in the structure below

Which of these compounds is vinyl halide $-$ halide attached to double bond

Which of these is not a nucleophile $-$ donates a pair of $e^{-}$

a$.OC{H}_3$

b$.N{H}_3$

c$.B{F}_3$

d$.H_2{O}^{}$

aryl halide allyl halide

Which of these molecules is polar? If symetrical not stable

a$.O_2$

b$.CC{l}_4$

c$.C{H}_4$

d$.$

e$.CHB{r}_3$

Which carbocation is least stable? most stable: allyt$>$ benzyl$>$ tertiary $>$ secundery $>$ primary $>$ mcthyl

a$.$ primary

b$.$ Methyl

d$.$ tertiary.

e$.$ Allylic

Assign the stereochemistry around the assign carbons, as R$,$ S$,$ None