$($B$)$ For each of the following reactions:

$($a$)$ Draw the missing reactant, reagent, or product including the correct stereochemistry when it is relevant $($using wedges$/$dashes bond$).$

$($b$)$ Eill in the circles to indicate the correct reaction pathway $,$ or $)$ when applicable, as well as the appropriate regiochemistry and stereochemistry.

$($c$)$ Associate the reaction coordinates diagram $($energy diagram$)$ for each reaction $($A$,$ B or C below$).$

$($d$)$ Indicate if the reaction will lead to a single molecule, a racemic mixture $($equimolar mixture of two enantiomers$),$ a mixture of diastereomers or a mixture of constitutional isomers.

$($i$)$

Energy Dlagram

$($ii$)$

Br

OA OB OC$]$

$($iii$)$

$($iii$)$

$($iii$)$

Reglochemistry Zaitser

Non$-$ZaitseV

Not Applicable $($N$/$A$)$

Stereochemistry

Retained Olinverted

Racemization $(7$osh$)$

Not Applicable $($NUA$)$

ORacemic Mixture Osingle Molecule

Mixture of Diastoreomers

Mixture of Censtitutional isomers

Reglochemistry Zaitsev Non$-$Zaitsev Not Applicable $($N$/$A$)$

Stereochemistry Ratained Oinverted Racemization $($nosr$)$ Not Applicable $($N$/$A$)$

Requealestivity

Markovnikov

non$-$Markovnikov

N$/$A

anef $O$ syn $O$ N$/$A

Energr Diaenm

Eredust$($a$)$

Osingle Molecule

Mixture of Censtitutional lsemars

$($in