Question 1

When drawing the three-dimensional structure diagram of a molecule the bold line ________.

Accepted Answer

A) projects out from the page 
B) goes back behind the page 
C) the bond is in the plane of the page 
D) One cannot say unless the formula of the molecule is known. 
A) projects out from the page 
B) goes back behind the page 
C) the bond is in the plane of the page 
D) One cannot say unless the formula of the molecule is known. A

Question 2

What is the steric number of the central atom in boron trichloride?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4 C

Question 3

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity.
-NO+

Accepted Answer

Question 4

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity.
-SO3

Accepted Answer

Question 5

Which of the following bonds will have the smallest difference in electronegativity?

Accepted Answer

A) HBr 
B) NaF 
C) H2 
D) HS- 
A) HBr 
B) NaF 
C) H2 
D) HS-

Question 6

Dipole dipole forces are an important factor to consider in determining whether or not a substance will dissolve in water (a molecule which has a dipole). Which of the following compounds would you expect to be the least soluble in water?

Accepted Answer

A) BF3 
B) NH3 
C) HF 
D) H2S 
A) BF3 
B) NH3 
C) HF 
D) H2S

Question 7

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity.
-CSe2

Accepted Answer

Question 8

Which of the double-bond bearing compounds is polar?

Accepted Answer

A) SO3 
B) CO2 
C) CS2 
D) H2CO 
A) SO3 
B) CO2 
C) CS2 
D) H2CO

Question 9

The angle around carbon in hydrogen cyanide is ________.

Accepted Answer

A) 105° 
B) 109° 
C) 120° 
D) 180° 
A) 105° 
B) 109° 
C) 120° 
D) 180°

Question 10

Which of the following chlorine-containing species is not polar?

Accepted Answer

A) CHCl3 
B) CH2Cl2 
C) HCl 
D) CCl4 
A) CHCl3 
B) CH2Cl2 
C) HCl 
D) CCl4

Question 11

Which of the following is bent?

Accepted Answer

A) water 
B) sulfur dioxide 
C) carbon dioxide 
D) both A and B 
A) water 
B) sulfur dioxide 
C) carbon dioxide 
D) both A and B

Question 12

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity.
-O3 (ozone)

Accepted Answer

Question 13

Which of the following would you expect to be the most polar molecule?

Accepted Answer

A) H2S 
B) H2Se 
C) H2Te 
D) H2O 
A) H2S 
B) H2Se 
C) H2Te 
D) H2O

Question 14

Which of the following multiple-bond compounds is polar?

Accepted Answer

A) N2 
B) O2 
C) SOCl2 
D) CO2 
A) N2 
B) O2 
C) SOCl2 
D) CO2

Question 15

Carbon dioxide contains polar bonds and is a nonpolar molecule.

Accepted Answer

A) True 
 B)False

Question 16

All of the following SO2, HCl, CO2  are linear.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is bent and has an angle close to 118° around the central atom?

Accepted Answer

A) sulfur dioxide 
B) boron trifluoride 
C) ammonia 
D) both A and C 
A) sulfur dioxide 
B) boron trifluoride 
C) ammonia 
D) both A and C

Question 18

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

Accepted Answer

A) 2 
B) 1 
C) 4 
D) 3 
A) 2 
B) 1 
C) 4 
D) 3

Question 19

All of the following SO3, CO2, CS2 are non-polar.

Accepted Answer

A) True 
 B)False

Question 20

Match between columns
                        Premises: ammonium ion
boron trifluoride
ethylene, C₂H₄
sulfur trioxide
water
hydrogen fluoride
hydrogen cyanide
ammonia
phosphorus trihydride
acetylene, C₂H₂
carbon disulfide
carbon tetrachloride
nitrogen trifluoride
sulfur dioxide

Accepted Answer

The Answer of close to 120° and 120° and 109° is...

When drawing the three-dimensional structure diagram of a molecule the bold line ________.

What is the steric number of the central atom in boron trichloride?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -NO⁺

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -SO₃

Which of the following bonds will have the smallest difference in electronegativity?

Dipole dipole forces are an important factor to consider in determining whether or not a substance will dissolve in water (a molecule which has a dipole). Which of the following compounds would you expect to be the least soluble in water?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -CSe₂

Which of the double-bond bearing compounds is polar?

The angle around carbon in hydrogen cyanide is ________.

Which of the following chlorine-containing species is not polar?

Which of the following is bent?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -O₃ (ozone)

Which of the following would you expect to be the most polar molecule?

Which of the following multiple-bond compounds is polar?

Carbon dioxide contains polar bonds and is a nonpolar molecule.

All of the following SO₂, HCl, CO₂ are linear.

Which of the following is bent and has an angle close to 118° around the central atom?

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

All of the following SO₃, CO₂, CS₂ are non-polar.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 6: The Shape of Molecules

When drawing the three-dimensional structure diagram of a molecule the bold line ________.

What is the steric number of the central atom in boron trichloride?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -NO+

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -SO3

Which of the following bonds will have the smallest difference in electronegativity?

Dipole dipole forces are an important factor to consider in determining whether or not a substance will dissolve in water (a molecule which has a dipole). Which of the following compounds would you expect to be the least soluble in water?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -CSe2

Which of the double-bond bearing compounds is polar?

The angle around carbon in hydrogen cyanide is ________.

Which of the following chlorine-containing species is not polar?

Which of the following is bent?

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -O3 (ozone)

Which of the following would you expect to be the most polar molecule?

Which of the following multiple-bond compounds is polar?

Carbon dioxide contains polar bonds and is a nonpolar molecule.

All of the following SO2, HCl, CO2 are linear.

Which of the following is bent and has an angle close to 118° around the central atom?

In a molecule having four pairs of electrons around the central atom and a pyramidal shape, how many bonding pairs of electrons does the central atom have?

All of the following SO3, CO2, CS2 are non-polar.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -NO⁺

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -SO₃

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -CSe₂

Judge whether or not the molecule or polyatomic ion shown is polar or non-polar. Draw a dipole vector to indicate the direction of any net polarity. -O₃ (ozone)

All of the following SO₂, HCl, CO₂ are linear.

All of the following SO₃, CO₂, CS₂ are non-polar.