Question 1

Which of the following compounds has the smallest dipole moment?

Accepted Answer

A)   Br2
B)   NH3 
C)   HCl
D)   HBr
E)   HI

Question 2

What is the hybridization of the carbon H2CO

Accepted Answer

A)   sp
B)   sp2
C)   sp3
D)   sp4
E)   s3p

Question 3

How many sp2 carbons are present in H2C=C=CH2

Accepted Answer

A)   0
B)   1
C)   1.5
D)   2
E)   3

Question 4

What is the formal charge on the nitrogen in the ammonium ion?

Accepted Answer

A)    -2 
B)    -1 
C)   0
D)    +1 
E)    +2

Question 5

Which of the following is the electronic configuration of the element Fe?

Accepted Answer

A)    1s22s22p63s23p64s23d61 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 } 3 p ^ { 6 } 4 s ^ { 2 } 3 d ^61s22s22p63s23p64s23d6 
B)    1s22s22p63s23p83d61 s ^ { 2 } 2 s^2 2p^6 3 s ^ { 2 } 3 p^8 3d ^61s22s22p63s23p83d6 
C)    1s22s22p83s23p64s23d61 s ^ { 2 } 2s^22p^83s^23p^64s^23d^61s22s22p83s23p64s23d6 
D)    1s22s22p63s23p64s24d61 s ^ { 2 } 2 s^22p^63s^23p^64s^24d^61s22s22p63s23p64s24d6 
E)    1s22s22p63s23p64s24p61 s ^ { 2 } 2 s^22 p^63 s^23 p^64 s^24 p^61s22s22p63s23p64s24p6

Question 6

How many carbon-carbon sigma bonds are in the following compound?

Accepted Answer

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

Question 7

What orbitals overlap to form the H-C  bond in CH3+?

Accepted Answer

A)   sp3-sp3
B)   sp2-sp3
C)   s-p
D)   s-sp2
E)   s-sp3

Question 8

The formal charge on nitrogen in the following compound is ________.

Accepted Answer

A)   +2
B)   +1
C)   0
D)   -1
E)   -2

Question 9

The compound CH3NH2, contains a C-N  bond. Which of the following best describes the charge on the nitrogen atom in this compound?

Accepted Answer

A)    +1+ 1+1 
B)   slightly positive
C)   uncharged
D)   slightly negative
E)    −1- 1−1

Question 10

Using the symbols δ+  and  δ- , show the direction of the polarity in the  O-H bond.

Accepted Answer

The answer of Using the symbols δ+  and ...

Question 11

The carbon-carbon double bond in ethene is ________ and ________ than the carbon-carbon triple bond in ethyne.

Accepted Answer

A)   stronger; shorter
B)   stronger; longer
C)   weaker; shorter
D)   weaker; longer
E)   stronger; more polar

Question 12

What is the  C−N−N\mathrm { C } - \mathrm { N } - \mathrm { N }C−N−N  bond angle in the following compound?

Accepted Answer

A)   ~60°
B)   ~90°
C)   ~110°
D)   ~120°
E)   ~ 180°

Question 13

Of the hydrogen halides, the strongest bond is found in ________ and the longest bond is found in ________.

Accepted Answer

A)   HF; HF
B)   HF; HI
C)   HI; HF
D)   HI; HI
E)   HCl; HBr

Question 14

Which of the following covalent bonds has the largest dipole moment?

Accepted Answer

A)   C-C
B)   C-H
C)   C-O
D)   H-N
E)   H-F

Question 15

What two factors determine the size of a bond's dipole moment?

Accepted Answer

The size of the char...

Question 16

What is the hybridization of the nitrogen in 
(CH3)3N

Accepted Answer

Question 17

Which of the following statements correctly describes the third shell that surrounds the nucleus of an atom?

Accepted Answer

A)   The third shell contains only s and p atomic orbitals.
B)   The maximum number of electrons that can occupy the third shell is 18.
C)   The total number of atomic orbitals present in the third shell is 16.
D)   The third shell can contain f orbitals.
E)   All third shell elements must have d electrons.

Question 18

Which of the following contains polar covalent bonds?

Accepted Answer

A)   NH3
B)   Na2O
C)   H2
D)   KF
E)   both A and C

Question 19

Which of the following compounds has the weakest bond?

Accepted Answer

A)   H2
B)   HF
C)   HCl
D)   HBr
E)   HI

Question 20

Are all the carbons in this structure in the same plane?

Accepted Answer

A)   Yes
B)   No

Exam 1: Remembering General Chemistry: Electronic Structure and Bonding

Are all the carbons in this structure in the same plane?

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Which of the following statements correctly describes the third shell that surrounds the nucleus of an atom?

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What is the hybridization of the carbon H2CO

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Which of the following compounds has the smallest dipole moment?

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Using the symbols δ+ and δ- , show the direction of the polarity in the O-H bond.

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What is the formal charge on the nitrogen in the ammonium ion?

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The carbon-carbon double bond in ethene is ________ and ________ than the carbon-carbon triple bond in ethyne.

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What two factors determine the size of a bond's dipole moment?

Correct AnswerverifiedThe size of the char...View AnswerShow Answer

What is the hybridization of the nitrogen in (CH3)3N

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The compound CH3NH2, contains a C-N bond. Which of the following best describes the charge on the nitrogen atom in this compound?

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Which of the following compounds has the weakest bond?

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The formal charge on nitrogen in the following compound is ________.

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How many carbon-carbon sigma bonds are in the following compound?

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Which of the following is the electronic configuration of the element Fe?

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How many sp2 carbons are present in H2C=C=CH2

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Of the hydrogen halides, the strongest bond is found in ________ and the longest bond is found in ________.

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Which of the following contains polar covalent bonds?

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What orbitals overlap to form the H-C bond in CH3+?

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Which of the following covalent bonds has the largest dipole moment?

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What is the C−N−N\mathrm { C } - \mathrm { N } - \mathrm { N }C−N−N bond angle in the following compound?

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What is the hybridization of the carbon H₂CO

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The carbon-carbon double bond in ethene is and than the carbon-carbon triple bond in ethyne.

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The size of the char...
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What is the hybridization of the nitrogen in (CH₃)₃N

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The compound CH₃NH₂, contains a C-N bond. Which of the following best describes the charge on the nitrogen atom in this compound?

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How many sp² carbons are present in H₂C=C=CH₂

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Of the hydrogen halides, the strongest bond is found in and the longest bond is found in .

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What orbitals overlap to form the H-C bond in CH₃⁺?

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What is the $\mathrm { C } - \mathrm { N } - \mathrm { N }$ bond angle in the following compound? $What is the \mathrm { C } - \mathrm { N } - \mathrm { N } bond angle in the following compound? A) ~60° B) ~90° C) ~110° D) ~120° E) ~ 180°$

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