Author Question: Hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs) are good substitutes for ... (Read 23 times)

ashley · **on:** Aug 27, 2018

Hydrofluorocarbons (HFCs) and hydrochlorofluoroca rbons (HCFCs) are good substitutes for chlorofluorocarbons (CFCs) because

A) they are also greenhouse gases.
B) C-F bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere.
C) C-H bonds will react more easily with hydroxyl radicals, so they are broken down before they reach the stratosphere.
D) they are too heavy to reach the stratosphere.

Question 2

Methanol is an important solvent. It is also an important starting material for the synthesis of other molecules. Most methanol today is obtained from the

A) destructive distillation of wood.
B) reaction of carbon monoxide and hydrogen at high temperature and pressure.
C) fermentation of corn.
D) decomposition of animal waste.