Sample test questions for
Organic Chemistry
Introduction
In the three-dimensional structure of methane,
CH4, the hydrogen atoms attached to a carbon
atom are aligned
A) in a straight line.
B) at the corners of a square.
C) at the corners of a tetrahedron. D) at the
corners of a rectangle. E) at the corners of a
cube. - CORRECT ANSWER-C) at the corners of
a tetrahedron.
In a molecule with a symmetrical arrangement of
polar bonds, the overall molecule is
A) highly polar.
B) somewhat polar.
C) nonpolar.
D) reverse polar.
E) strongly reverse polar. - CORRECT ANSWER-
C) nonpolar
, A molecule containing a carbon atom bonded to
four chlorine atoms has the shape of a
A) triangle.
B) rhombus.
C) square.
D) cube.
E) tetrahedron. - CORRECT ANSWER-E)
tetrahedron.
The bond angles of tetravalent carbon are all
approximately
A) 90°.
B) 109°.
C) 60°.
D) 100°.
E) 45°. - CORRECT ANSWER-B) 109°.
Which one of the following is NOT an organic
substance?
A) an antibiotic
B) nylon
C) coal
D) silk
E) salt, sodium chloride - CORRECT ANSWER-E)
salt, sodium chloride
Organic Chemistry
Introduction
In the three-dimensional structure of methane,
CH4, the hydrogen atoms attached to a carbon
atom are aligned
A) in a straight line.
B) at the corners of a square.
C) at the corners of a tetrahedron. D) at the
corners of a rectangle. E) at the corners of a
cube. - CORRECT ANSWER-C) at the corners of
a tetrahedron.
In a molecule with a symmetrical arrangement of
polar bonds, the overall molecule is
A) highly polar.
B) somewhat polar.
C) nonpolar.
D) reverse polar.
E) strongly reverse polar. - CORRECT ANSWER-
C) nonpolar
, A molecule containing a carbon atom bonded to
four chlorine atoms has the shape of a
A) triangle.
B) rhombus.
C) square.
D) cube.
E) tetrahedron. - CORRECT ANSWER-E)
tetrahedron.
The bond angles of tetravalent carbon are all
approximately
A) 90°.
B) 109°.
C) 60°.
D) 100°.
E) 45°. - CORRECT ANSWER-B) 109°.
Which one of the following is NOT an organic
substance?
A) an antibiotic
B) nylon
C) coal
D) silk
E) salt, sodium chloride - CORRECT ANSWER-E)
salt, sodium chloride
