Question 1

Circle and name the functional groups in the following molecule.

Accepted Answer

The answer of Circle and name the functional groups in...

Question 2

Convert the following structure into a bond-line drawing.

Accepted Answer

The answer of Convert the following structure into a bond-line...

Question 3

Which of the following shows curved arrows that correctly accounts for the differences between the two structures?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and D)
F) A) and D)

Question 4

Draw bond-line structures of all of the tertiary (3°) amines that have the formula C5H11N.

Accepted Answer

Question 5

Which of the following is an ionic bond?

Accepted Answer

A)   Br−Br
B)   C−Cl
C)   C−S
D)   Na−OE) B) and C)
F) A) and B)

Question 6

The formal charge on carbon in carbon monoxide is______.

Accepted Answer

The answer of The formal charge on carbon in carbon...

Question 7

The following molecule contains an _____________functional group.  ​

Accepted Answer

The answer of The following molecule contains an _____________functional group....

Question 8

The percent s character in an sp2 hybridized orbital is approximately 33%.

Accepted Answer

A) True 
 B)False

Question 9

The approximate H-C-H bond angle in methane is ______°.

Accepted Answer

The answer of The approximate H-C-H bond angle in methane...

Question 10

How many electrons can the shell with a principal quantum number of 1 hold?

Accepted Answer

A)   1
B)   2
C)   4
D)   8E) A) and B)
F) A) and C)

Question 11

How many electrons are there in the valence shell of the nitrogen atom of ammonia?

Accepted Answer

A)   4
B)   5
C)   6
D)   8E) A) and C)
F) A) and B)

Question 12

Which of the following compounds is a carboxylic acid?

Accepted Answer

A)   CH3CH2COOH
B)   CH3CH2OCH3
C)   CH3CH2CH2OH
D)   CH3CH2CHOE) A) and B)
F) B) and D)

Question 13

Which of the following statements is not true regarding resonance structures?

Accepted Answer

A)   Each resonance structure is in rapid equilibrium with all of the other structures
B)   The resonance structures may have different energies
C)   All resonance structures must have the same arrangement of atoms
D)   All resonance structures must have the same number of electronsE) C) and D)
F) B) and D)

Question 14

What is the approximate value of the H−C−H bond angles in a methyl cation, CH3+?

Accepted Answer

A)   90°
B)   109°
C)   120°
D)   180°E) All of the above
F) C) and D)

Question 15

Draw bond-line structures of all of the alkanes that have the formula C5H12.

Accepted Answer

Question 16

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH3) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Accepted Answer

Question 17

What is the approximate value of the H−C−H bond angles in a methyl anion, CH3−?

Accepted Answer

A)   90°
B)   109°
C)   120°
D)   180°E) B) and D)
F) C) and D)

Question 18

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11) ?

Accepted Answer

A)   1s22s22p63s1
B)   1s22s22p53s1
C)   1s22s22p6
D)   1s22s22p63s2E) B) and C)
F) A) and B)

Question 19

Which of the following bonds has the smallest dipole moment?

Accepted Answer

A)   Li−Cl
B)   C−H
C)   O−H
D)   H−ClE) C) and D)
F) B) and D)

Question 20

Which of the following species has an atom that has an unfilled valence shell of electrons?

Accepted Answer

A)   molecular hydrogen, H2
B)   hydroxide anion, HO−
C)   boron trifluoride, BF3
D)   water, H2OE) None of the above
F) A) and B)

Exam 1: Covalent Bonding and Shapes of Molecules

Convert the following structure into a bond-line drawing.

Correct AnswerverifiedShow Answer

The percent s character in an sp2 hybridized orbital is approximately 33%.

Correct AnswerverifiedShow Answer

The formal charge on carbon in carbon monoxide is______.

Correct AnswerverifiedShow Answer

Draw bond-line structures of all of the alkanes that have the formula C5H12.

Correct AnswerverifiedShow Answer

Circle and name the functional groups in the following molecule.

Correct AnswerverifiedShow Answer

Which of the following is an ionic bond?

Correct AnswerverifiedShow Answer

How many electrons are there in the valence shell of the nitrogen atom of ammonia?

Correct AnswerverifiedShow Answer

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH3) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Correct AnswerverifiedShow Answer

Which of the following statements is not true regarding resonance structures?

Correct AnswerverifiedShow Answer

Which of the following bonds has the smallest dipole moment?

Correct AnswerverifiedShow Answer

What is the ground-state electronic configuration of a sodium cation (sodium: atomic number 11) ?

Correct AnswerverifiedShow Answer

What is the approximate value of the H−C−H bond angles in a methyl anion, CH3−?

Correct AnswerverifiedShow Answer

What is the approximate value of the H−C−H bond angles in a methyl cation, CH3+?

Correct AnswerverifiedShow Answer

The approximate H-C-H bond angle in methane is ______°.

Correct AnswerverifiedShow Answer

Draw bond-line structures of all of the tertiary (3°) amines that have the formula C5H11N.

Correct AnswerverifiedShow Answer

Which of the following species has an atom that has an unfilled valence shell of electrons?

Correct AnswerverifiedShow Answer

The following molecule contains an _____________functional group. ​

Correct AnswerverifiedShow Answer

How many electrons can the shell with a principal quantum number of 1 hold?

Correct AnswerverifiedShow Answer

Which of the following shows curved arrows that correctly accounts for the differences between the two structures?

Correct AnswerverifiedShow Answer

Which of the following compounds is a carboxylic acid?

Correct AnswerverifiedShow Answer

Correct Answer
verified

The percent s character in an sp² hybridized orbital is approximately 33%.

Correct Answer
verified

Correct Answer
verified

Draw bond-line structures of all of the alkanes that have the formula C₅H₁₂.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in ammonia (NH₃) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the approximate value of the H−C−H bond angles in a methyl anion, CH₃−?

Correct Answer
verified

What is the approximate value of the H−C−H bond angles in a methyl cation, CH₃⁺?

Correct Answer
verified

Correct Answer
verified

Draw bond-line structures of all of the tertiary (3°) amines that have the formula C₅H₁₁N.

Correct Answer
verified

Correct Answer
verified

The following molecule contains an _____________functional group.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified