Ch. 4 Quiz Flashcards
How many electron pairs does carbon share in order to complete its valence shell?
4
A carbon atom is most likely to form what kind of bond(s) with other atoms?
Covalent
Why are hydrocarbons insoluble in water?
The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages
Research indicates that ibuprofen, a drug used to relieve inflammation and pain, is a mixture of two enantiomers; that is, molecules that…
Are mirror images of one another
A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?
It should dissolve in water
Which of the following is a false statement concerning amino groups?
A) they are basic in pH B) they are found in amino acids C) they contain nitrogen D) they are nonpolar E) they are components of urea
They are nonpolar
Which two functional groups are always found in amino acids?
Carboxyl and amino
Testosterone and estradiol are…
Structural isomers of each other
What functional group is commonly used in cells to transfer energy from one organic molecule to another?
Phosphate
The element present in all organic molecules is…
Carbon
