Question

1. When adding the sodium borohydride solution to the vanillin solution, why are you told to do so in a dropwise fashion?

-So you don't accidentally spill any sodium borohydride

-To prevent formation of unwanted vanillin byproducts

-to prevent formation of unwanted sodium borohydride byproducts

-Sodium borohydride is explosive

-Both A and D above are correct

(I'm leaning towards option C but I also thought it might be D)

Answer 1

I don' know what the question is. What does "Both A and D above are correct" mean.

Answer 2

Question: When adding sodium borohydride solution to the vanillin solution, why are you told to do so in a dropwise fashion?

A. So you don't accidentally spill any sodium borohydride

B. To prevent formation of unwanted vanillin byproducts

C. To prevent formation of unwanted sodium borohydride byproducts

D. Sodium borohydride is explosive

E. Both A and D above are correct

(This experiment was reacting vanillin with sodium borohydride to form vanilly alcohol)