On the diagram, label the orbitals. Platinum has a cubic close-packed structure. Its density is 21.5 g. cm -3 . The value of K b for ammonia is 1.8 x 10 -5 . A number of rats were injected with 250 m g of the pesticide, endrin, and the average amount of endrin remaining in their systems was determined as a function of time after the injection.
Halons are fluorocarbons that contain bromine.
They are used extensively as foaming agents for fighting fires. Propose a mechanism by which the presence of CF 3 Br could lead to depletion of stratospheric ozone. Draw the structure of each of the following molecules. Then write a balanced equation for the reaction of each species with bromine. Finally, indicate the type of reaction that the equation represents, and name the organic product of the reaction.