Bromine in the gaseous state is Br₂ and has a simple Lewis structure. What type of bonding will it have?

A) A double, ionic bond
B) A single, ionic bond
C) A double, covalent bond
D) A single, covalent bond

Which compound would be expected to show intense IR absorption at 3363, 3185, 1660 cm^-1?

A) CH₃CH₂CH₂OH
B) (CH₃) ₂CHNH₂
C) CH₃CH₂CONH₂
D) but-1-ene