Org Chem Flashcards
Which of the following structures represents a molecule different from the others?
A. I
B. IV
C. II
D. III
D. III
Which is the correct molecular formula of the following molecule?
A. II
B. IV
C. I
D. III
A. II (C8H10)
Which of the following compounds has an Ionic bond?
I. H2O
II. NH4Cl
III. CH3Cl
IV. CH3Li
A. II
B. IV
C. I
D. III
A. II
How many hydrogen atoms are in one molecule of propene?
A. 4
B. 3
C. 6
D. 8
C. 6
Which is the correct IUPAC name of the following compound?
A. 5-bromo-3-ethylhept-3-ene
B. 3-ethyl-5-bromohept-3-ene
C. 3-bromo-5-ethylhept-4-ene
D. Ill-diethyl-3-bromopent-1-ene
A. 5-bromo-3-ethylhept-3-ene
In which species are all the carbon atoms considered to be sp2 hybridized?
l. C2H2
II. C2H4
Ill. C3H8
IV. C4H10
A. IV
B. Il
C. I
D. Ill
B. Il
For which compound are the empirical and molecular formulas the same?
I C6H5COOH
II C6H4(COOH)2
III HOOCCOOH
IV CH3COOH
A. Ill
B. I
C. IV
D. II
B. I
How many different compounds have the formula C5H12?
A. 5
B. 2
C. 4
D. 3
D. 3
In which species Is the carbon-nitrogen bond the shortest?
I. CH3NH2
II. CH2NH
Ill. (CH3)4N+
IV. CH3CN
A. Il B. I C. IV D. Ill
C. IV
What Is the hybridization of the carbon atom in a carboxyl group?
A. sp
B. sp3
C. sp2
D. dsp3
C. sp2
Which compound is an aldehyde?
A. Il
B. III
C. IV
D. I
B. III (o at the end of double bond,)
Which compound is NOT an ether?
A. IV
B. I
C. II
D. III
D. III ( middle o connected in double bond)
Which compound is a tertiary amine?
A. II
B. III
C. I
D. IV
D. IV ( NCH3)
Which of the following hydrocarbon has the lowest boiling point?
l. C4H10 ll. CH4 Ill. C6H6 IV. C2H6
A. IV
B. II
C. I
D. III
B. II
Which compound Is a tertiary alcohol?
A. III
B. IV
C. II
D. I
D. I (CH3)3COH
How many different alcohols have the molecular formula C4H10O?
A. 2
B. 4
C. 3
D. 5
B. 4
Which compound Is expected to be most soluble in water at 25oC
I N2 (g)
II O2 (g)
Ill (C2H5)2NH (l)
IV C2H5OC2H5 (l)
A. III
B. IV
C. I
D. II
A. III
Which compound Is expected to be most soluble in water at 25oC
I N2 (g)
II O2 (g)
Ill (C2H5)2NH (l)
IV C2H5OC2H5 (l)
A. III
B. IV
C. I
D. II
A. III
he gentle oxidation of ethanol (CH3CH2OH) produces ______
I ethanal, CH3CHO
Il ethanoic acid, CH3CO2H
Ill carbon monoxide, CO
IV carbon dioxide, CO2
A. IV
B. I
C. II
D. III
B. I
The following compounds have very similar molar masses. What would be the correct order when they
are arranged in order of increasing strength of their intermolecular forces.
l. C3H8 Il. CH3OCH3 III. CH3CH2OH
A. II < I < III
B. III < I < II
C. I < II < III
D. III < II < I
C. I < II < III
The following compounds have very similar molar masses. What would be the correct order when they
are arranged in order of increasing strength of their intermolecular forces.
l. C3H8 Il. CH3OCH3 III. CH3CH2OH
A. II < I < III
B. III < I < II
C. I < II < III
D. III < II < I
C. I < II < III
