Ligands (hard) Flashcards
(12 cards)
Hydrocarbons containing only single bonds between the carbon atoms are called
A) alkenes B) alkynes C) aromatics D) alkanes E) ketones
D
What general class of compounds is also known as olefins? A) alkenes B) alkynes C) aromatics D) alkanes E) ketones
A
3) The simplest alkyne is __________. A) ethylene B) ethane C) acetylene D) propyne E) benzene
Acetylene
4) The melting and boiling points of hydrocarbons are determined by __________. A) ion-dipole attraction B) dipole-dipole attraction C) London forces D) hydrogen bonding E) ionic bonding
C
5) Hydrocarbons containing carbon-carbon triple bonds are called __________
A) alkanes B) aromatic hydrocarbons C) alkynes D) alkenes E) olefins
C
Alkynes always contain a __________. A)C=C bond B) C≡C bond C) C-C bond D) C-H bond E) C≡H bond
B
7) Alkenes always contain a __________. A)C=C bond B) C≡C bond C) C-C bond D)C=H bond E) C≡H bond Answer: A
A
8) Hybridization of the carbon atom indicated by (*) in 3 2 3 CH - CH -CH * , 2 CH=CH * , and 3 CH - C CH * ﾺ is __________, __________, and __________, respectively. A) 3 2 sp ,sp ,sp B) 3 2 sp ,sp,sp C) 2 3 sp,sp ,sp D) 3 2 sp,sp ,sp E) 2 3 sp ,sp ,sp
A
) The molecular geometry of each carbon atom in an alkane is __________. A) octahedral B) square planar C) trigonal planar D) tetrahedral E) trigonal pyramidal
D
10) The minimum number of carbons necessary for a hydrocarbon to form a branched structure is __________. A) 4 B) 6 C) 3 D) 9 E) 12
A
Cyclohexane has __________ fewer hydrogens than n-hexane. A) 0 B) 1 C) 2 D) 3 E) 4
C
12) How many structural isomers of heptane exist? A) 2 B) 4 C) 6 D) 8 E) 9
E
