Question 1

The oxygen atom in H2O has _____ hybrid orbitals.

Accepted Answer

Question 2

_____ is a process in which atomic orbitals that are similar in energy but not equivalent are combined mathematically to produce sets of equivalent orbitals that are properly oriented to form bonds.

Accepted Answer

The answer of _____ is a process in which atomic...

Question 3

What is the bond order of HBr?

Accepted Answer

A)  0 
B)  0.5 
C)  1 
D)  2 
E)  3 
A)  0 
B)  0.5 
C)  1 
D)  2 
E)  3

Question 4

What is the bond order of NO2- ion?

Accepted Answer

A)  0 
B)  1 
C)  1.5 
D)  2 
E)  2.5 
A)  0 
B)  1 
C)  1.5 
D)  2 
E)  2.5

Question 5

The orbital formed by the hybridization of one s and 2p orbitals is _____.

Accepted Answer

The answer of The orbital formed by the hybridization of...

Question 6

_____ is the arrangement of the bonded atoms in a molecule or polyatomic ion in space.

Accepted Answer

The answer of _____ is the arrangement of the bonded...

Question 7

Nitrogen dioxide (NO2) has a linear geometry.

Accepted Answer

A) True 
 B)False

Question 8

What is the bond order of a molecule of Ca2?

Accepted Answer

A)  1 
B)  0.5 
C)  2 
D)  0 
E)  1.5 
A)  1 
B)  0.5 
C)  2 
D)  0 
E)  1.5

Question 9

Which of the following molecules has a linear geometry?

Accepted Answer

A)  NO2- 
B)  H2O 
C)  OF2 
D)  CO2 
E)  SO2 
A)  NO2- 
B)  H2O 
C)  OF2 
D)  CO2 
E)  SO2

Question 10

HCN is a linear molecule.

Accepted Answer

A) True 
 B)False

Question 11

How many orbitals are involved in the formation of π bond in a molecule of HCN, given that it is linear?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 12

In BF3, hybrid atomic orbitals are formed from one s and one p orbitals.

Accepted Answer

A) True 
 B)False

Question 13

How is the phenomenon of resonance linked to the color of hydrocarbons? Explain with an example.

Accepted Answer

Hydrocarbons in which two or more carbon

Question 14

In compounds with perfectly symmetrical geometries the dipole moment is _____.

Accepted Answer

The answer of In compounds with perfectly symmetrical geometries the...

Question 15

A molecule of ozone has three unhybridized 2p orbitals which interact to give _____orbitals.

Accepted Answer

The answer of A molecule of ozone has three unhybridized...

Question 16

In hybridization, the combination of the ns orbital, all three np orbitals, and two nd orbitals gives a set of six equivalent sp3d2 hybrid orbitals.

Accepted Answer

A) True 
 B)False

Question 17

Hydrocarbons in which two or more carbon-carbon double bonds are directly linked by carbon-carbon single bonds are generally _____ stable than expected.

Accepted Answer

The answer of Hydrocarbons in which two or more carbon-carbon...

Question 18

In the VSEPR model compounds with the designation _____ will be linear.

Accepted Answer

A)  AX2E 
B)  AX2 
C)  AX4 
D)  AX3E2 
E)  AX5E 
A)  AX2E 
B)  AX2 
C)  AX4 
D)  AX3E2 
E)  AX5E

Question 19

Ammonia, having the designation AX3E has a(n) _____ geometry.

Accepted Answer

Question 20

A(n) _____ is an allowed spatial distribution of electrons in a molecule that is associated with a particular orbital energy.

Accepted Answer

The answer of A(n) _____ is an allowed spatial distribution...

Exam 9: Molecular Geometry and Covalent Bonding Models

The oxygen atom in H2O has _____ hybrid orbitals.

_____ is a process in which atomic orbitals that are similar in energy but not equivalent are combined mathematically to produce sets of equivalent orbitals that are properly oriented to form bonds.

What is the bond order of HBr?

What is the bond order of NO2- ion?

The orbital formed by the hybridization of one s and 2p orbitals is _____.

_____ is the arrangement of the bonded atoms in a molecule or polyatomic ion in space.

Nitrogen dioxide (NO2) has a linear geometry.

What is the bond order of a molecule of Ca2?

Which of the following molecules has a linear geometry?

HCN is a linear molecule.

How many orbitals are involved in the formation of π bond in a molecule of HCN, given that it is linear?

In BF3, hybrid atomic orbitals are formed from one s and one p orbitals.

How is the phenomenon of resonance linked to the color of hydrocarbons? Explain with an example.

In compounds with perfectly symmetrical geometries the dipole moment is _____.

A molecule of ozone has three unhybridized 2p orbitals which interact to give _____orbitals.

In hybridization, the combination of the ns orbital, all three np orbitals, and two nd orbitals gives a set of six equivalent sp3d2 hybrid orbitals.

Hydrocarbons in which two or more carbon-carbon double bonds are directly linked by carbon-carbon single bonds are generally _____ stable than expected.

In the VSEPR model compounds with the designation _____ will be linear.

Ammonia, having the designation AX3E has a(n) _____ geometry.

A(n) _____ is an allowed spatial distribution of electrons in a molecule that is associated with a particular orbital energy.

Introduction to Chemistry

Molecules, Ions, and Chemical Formulas

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

The D-Block Elements

Organic Compounds

Filters

The oxygen atom in H₂O has _____ hybrid orbitals.

What is the bond order of NO₂^-ion?

Nitrogen dioxide (NO₂) has a linear geometry.

What is the bond order of a molecule of Ca₂?

In BF₃, hybrid atomic orbitals are formed from one s and one p orbitals.

In hybridization, the combination of the ns orbital, all three np orbitals, and two nd orbitals gives a set of six equivalent sp³d² hybrid orbitals.

Ammonia, having the designation AX₃E has a(n) _____ geometry.