Would the presence of a nitro group in the 4- and 4’- positions in benzophenone increase the frequency of the carbonyl stretch or decrease it?

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

If a || b and e || f, what is the value of y ?

What will most likely happen when two bromine atoms bond together?