Question 1

Which of the following is trigonal planar?

Accepted Answer

A)   boron trifluoride, BF3
B)   methyl anion, CH3−
C)   methane, CH4
D)   ammonia, NH3E) A) and D)
F) A) and B)

Question 2

Draw bond-line structures of all of the primary (1°) alcohols that have the formula C5H12O.

Accepted Answer

Question 3

Draw bond-line structures of all of the aldehydes that have the formula C5H10O.

Accepted Answer

Question 4

Which of the following compounds is a ketone?

Accepted Answer

A)   CH3CH2COOH
B)   CH3CH2CHO
C)   CH3CH2CH2OH
D)   CH3COCH3E) A) and D)
F) B) and C)

Question 5

Which of the following elements has the highest electronegativity?

Accepted Answer

A)   C
B)   P
C)   Si
D)   ClE) A) and D)
F) A) and B)

Question 6

Consider the following molecular model.  The condensed structural formula would be $\quad$$\quad$$\mathrm{CH}_{3} \quad\mathrm{CH}_{3}$
$\quad$$\quad$$\quad$|$\quad$$\quad$$\quad$|
$\mathrm{CH}_{3}-\mathrm{CH}-\mathrm{CH}-\mathrm{CH}_{3}$

Accepted Answer

A) True 
 B)False

Question 7

Which of the following species possesses a formal charge?

Accepted Answer

A)   BH3
B)   BH4
C)   CCl4
D)   H2SE) C) and D)
F) A) and C)

Question 8

Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H2C=CH2?

Accepted Answer

A)   C2p + H1s
B)   C2sp + H1s
C)   C2sp2 + H1s
D)   C2sp3 + H1sE) C) and D)
F) B) and C)

Question 9

What is the approximate value of the H−C−H bond angles in methane, CH4?

Accepted Answer

A)   90°
B)   109°
C)   120°
D)   180°E) All of the above
F) None of the above

Question 10

How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH3+?

Accepted Answer

A)   4
B)   5
C)   6
D)   7E) A) and B)
F) B) and C)

Question 11

Which of the following is a tertiary amine?

Accepted Answer

A)   CH3CH2N(CH3) 2
B)   (CH3) 3CNH2
C)   CH3CH2NHCH3
D)   CH3CH2NHCH(CH3) 2E) B) and D)
F) All of the above

Question 12

Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH3) 2O?

Accepted Answer

A)   C 2sp3 + O 2sp2
B)   C 2sp2 + O 2p
C)   C 2sp2 + O 2sp2
D)   C 2sp3 + O 2sp3E) A) and B)
F) B) and C)

Question 13

The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp3 and Carbon 2 sp2.

Accepted Answer

A) True 
 B)False

Question 14

Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H2O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Accepted Answer

Question 15

Consider the following structural formula.  The following is a resonance structure.

Accepted Answer

A) True 
 B)False

Question 16

The following molecules all contain the same functional group except 2.
1.CH3OH
2.CH3OCH3
3.CH3CH2OH
4.CH3CH(OH)CH3

Accepted Answer

A) True 
 B)False

Question 17

How many electrons can the shell with a principal quantum number of 2 hold?

Accepted Answer

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

Question 18

Draw bond-line structures of all of the alcohols that have the formula C4H10O.

Accepted Answer

Question 19

Convert the following structure into a bond-line drawing.

Accepted Answer

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

Question 20

Which of the following is a primary (1°)  amine?

Accepted Answer

A)   1
B)   2
C)   3
D)   4E) B) and C)
F) None of the above

Exam 1: Covalent Bonding and Shapes of Molecules

The following molecules all contain the same functional group except 2. 1.CH₃OH 2.CH₃OCH₃ 3.CH₃CH₂OH 4.CH₃CH(OH)CH₃

Correct Answer
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Convert the following structure into a bond-line drawing.

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Consider the following structural formula. The following is a resonance structure.

Correct Answer
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Which of the following species possesses a formal charge?

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Which of the following is a primary (1°) amine?

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Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H₂C=CH₂?

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Which of the following is trigonal planar?

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Draw bond-line structures of all of the primary (1°) alcohols that have the formula C₅H₁₂O.

Correct Answer
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The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp³ and Carbon 2 sp².

Correct Answer
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Draw bond-line structures of all of the aldehydes that have the formula C₅H₁₀O.

Correct Answer
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How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH₃⁺?

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Which of the following is a tertiary amine?

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Draw bond-line structures of all of the alcohols that have the formula C₄H₁₀O.

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What is the approximate value of the H−C−H bond angles in methane, CH₄?

Correct Answer
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Which of the following compounds is a ketone?

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Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H₂O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Correct Answer
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Which of the following elements has the highest electronegativity?

Correct Answer
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How many electrons can the shell with a principal quantum number of 2 hold?

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Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH₃) ₂O?

Correct Answer
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Exam 1: Covalent Bonding and Shapes of Molecules

The following molecules all contain the same functional group except 2. 1.CH3OH 2.CH3OCH3 3.CH3CH2OH 4.CH3CH(OH)CH3

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Convert the following structure into a bond-line drawing.

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Consider the following structural formula. The following is a resonance structure.

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Which of the following species possesses a formal charge?

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Which of the following is a primary (1°) amine?

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Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H2C=CH2?

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Which of the following is trigonal planar?

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Draw bond-line structures of all of the primary (1°) alcohols that have the formula C5H12O.

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The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp3 and Carbon 2 sp2.

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Draw bond-line structures of all of the aldehydes that have the formula C5H10O.

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How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH3+?

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Which of the following is a tertiary amine?

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Draw bond-line structures of all of the alcohols that have the formula C4H10O.

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What is the approximate value of the H−C−H bond angles in methane, CH4?

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Which of the following compounds is a ketone?

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Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H2O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

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Which of the following elements has the highest electronegativity?

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How many electrons can the shell with a principal quantum number of 2 hold?

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Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH3) 2O?

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Consider the following molecular model. The condensed structural formula would be \quad\quadCH3CH3\mathrm{CH}_{3} \quad\mathrm{CH}_{3}CH3​CH3​ \quad\quad\quad | \quad\quad\quad | CH3−CH−CH−CH3\mathrm{CH}_{3}-\mathrm{CH}-\mathrm{CH}-\mathrm{CH}_{3}CH3​−CH−CH−CH3​

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The following molecules all contain the same functional group except 2. 1.CH₃OH 2.CH₃OCH₃ 3.CH₃CH₂OH 4.CH₃CH(OH)CH₃

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Which atomic orbitals overlap to form the carbon-hydrogen σ bonding molecular orbitals of ethene, H₂C=CH₂?

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Draw bond-line structures of all of the primary (1°) alcohols that have the formula C₅H₁₂O.

Correct Answer
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The hybridization on the numbered carbon atoms in the following compound would be Carbon 1 sp³ and Carbon 2 sp².

Correct Answer
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Draw bond-line structures of all of the aldehydes that have the formula C₅H₁₀O.

Correct Answer
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How many electrons are there in the valence shell of the carbon atom of a methyl cation, CH₃⁺?

Correct Answer
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Draw bond-line structures of all of the alcohols that have the formula C₄H₁₀O.

Correct Answer
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What is the approximate value of the H−C−H bond angles in methane, CH₄?

Correct Answer
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Provide a neatly drawn figure to show the atomic orbitals that overlap to form each of the bonds in water (H₂O) and which contain the lone pair of electrons. Label each orbital with its hybridization.

Correct Answer
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Which atomic orbitals overlap to form the C−O bond of dimethyl ether, (CH₃) ₂O?

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