In each reaction box, place the best reagent and conditions from the list below. BH3/THF PCl3

Question:

In each reaction box, place the best reagent and conditions from the list below.

BH${}_3$/THF

PCl${}_3$

H${}_2$SO${}_4$ (conc.)

Dilute H${}_3$O${}^{}$

H${}_2$CrO${}_4$

NaBH${}_4$ in EtOH

Cl${}_2$, H${}_2$O

Br${}_2$

H${}_2$O${}_2$, NaOH, H${}_2$O

Organic reactions

An alcohol is the first reactant shown. Alcohol have excess of electrons due to the lone pairs of oxygen on them, so they attract electrophiles towards them. At the same time, they can behave as acids also for very strong bases, as O-H bond in them can be broken.

Answer and Explanation:

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