Chem 261 Final Review
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- 1.
![What types of orbitals are used to make bond A? - ProProfs]( "What types of orbitals are used to make bond A?")
What types of orbitals are used to make bond A?- A.
Sp2-sp3
- B.
Sp3-sp3
- C.
Sp2-sp2
- D.
Sp2-sp
- 2.
![How many sigma bonds are there in the compound above? - ProProfs]( "How many sigma bonds are there in the compound above?")
How many sigma bonds are there in the compound above?- A.
9
- B.
10
- C.
11
- D.
13
- 3.Which of the following represents the ground state electron configuration of Nitrogen?
- A.
1s2 2s2 2p5
- B.
1s2 2s2 2p6
- C.
1s2 2s2 2p3
- D.
1s2 2s2 2p4
- 4.
![How many non-bonding electrons are present in compound A? Assume all atoms are neutral. - ProProfs]( "How many non-bonding electrons are present in compound A? Assume all atoms are neutral.")
How many non-bonding electrons are present in compound A? Assume all atoms are neutral.- A.
10
- B.
12
- C.
7
- D.
6
- 5.How many valence electrons does Phosphorous (P) have?
- A.
15
- B.
13
- C.
5
- D.
3
- 6.
![What types of orbitals are used to make bond A in the structure above? - ProProfs]( "What types of orbitals are used to make bond A in the structure above?")
What types of orbitals are used to make bond A in the structure above?- A.
Sp2-sp2
- B.
Sp3-sp3
- C.
Sp2-sp3
- D.
Sp2-sp
- 7.
![How many sigma bonds are there in the compound above? - ProProfs]( "How many sigma bonds are there in the compound above?")
How many sigma bonds are there in the compound above?- A.
17
- B.
7
- C.
11
- D.
15
- 8.
![How many non-bonding electrons are present in compound A? Assume all atoms are neutral. - ProProfs]( "How many non-bonding electrons are present in compound A? Assume all atoms are neutral.")
How many non-bonding electrons are present in compound A? Assume all atoms are neutral.- A.
10
- B.
6
- C.
7
- D.
12
- 9.
![Assign values to bond angles A and B in the structure above. - ProProfs]( "Assign values to bond angles A and B in the structure above.")
Assign values to bond angles A and B in the structure above.- A.
A = 120°, B = 180°
- B.
A = 109.5°, B = 120°
- C.
A = 120°, B = 120°
- D.
A = 109.5°, B = 109.5°
- 10.
![Determine the orbital hybridization states for atoms A, B, and D. - ProProfs]( "Determine the orbital hybridization states for atoms A, B, and D.")
Determine the orbital hybridization states for atoms A, B, and D.- A.
A-sp2, B-sp2, D-sp2
- B.
A-sp3, B-sp2, D-sp3
- C.
A-sp, B-sp3, D-sp2
- D.
A-sp2, B-sp2, D-sp3
- 11.
![Which of the following protons (HA, HB, and HD) is most acidic? - ProProfs]( "Which of the following protons (HA, HB, and HD) is most acidic?")
Which of the following protons (HA, HB, and HD) is most acidic?- A.
They all have the same acidity.
- B.
HD
- C.
HB
- D.
HA
- 12.
![What are the formal charges on atoms A and B, respectively in the above structure? - ProProfs]( "What are the formal charges on atoms A and B, respectively in the above structure?")
What are the formal charges on atoms A and B, respectively in the above structure?- A.
A = +1, B= -1
- B.
A = +1, B= +1
- C.
A = -1, B= 0
- D.
A = 0, B= +1
- 13.
![What are the formal charges on atoms A and B, respectively in the above structure? - ProProfs]( "What are the formal charges on atoms A and B, respectively in the above structure?")
What are the formal charges on atoms A and B, respectively in the above structure?- A.
A = 0, B = 0
- B.
A = +1, B = 0
- C.
A = +1, B = +1
- D.
A = -1, B = -1
- 14.
![Rank molecules A, B, and D in order of increasing pKa of the most acidic proton in each. - ProProfs]( "Rank molecules A, B, and D in order of increasing pKa of the most acidic proton in each.")
Rank molecules A, B, and D in order of increasing pKa of the most acidic proton in each.- A.
A, B, D.
- B.
D, A, B.
- C.
D, B, A.
- D.
B, D, A.
- 15.Acidity increases with increasing atom size.
- A.
True
- B.
False
- 16.Acidity across the periodic table decreases with electronegativity.
- A.
True
- B.
False
- 17.A hydrogen bonded to a SP2 carbon is more acidic than a hydrogen bonded to an SP3 carbon.
- A.
True
- B.
False
- 18.
![Rank the labeled protons in order of increasing pKa. - ProProfs]( "Rank the labeled protons in order of increasing pKa.")
Rank the labeled protons in order of increasing pKa.- A.
D, A, B
- B.
B, A, D
- C.
D, B, A
- D.
A, B, D
- 19.
![Rank the labeled protons in order of increasing pKa. - ProProfs]( "Rank the labeled protons in order of increasing pKa.")
Rank the labeled protons in order of increasing pKa.- A.
D, A, B
- B.
D, B, A
- C.
A, B, D
- D.
B, A, D
- 20.
![What functional groups are present in the molecule? - ProProfs]( "What functional groups are present in the molecule?")
What functional groups are present in the molecule?- A.
An amide and an ester
- B.
A ketone and a nitrile
- C.
An amide and an ether
- D.
An amine and an alcohol
- 21.
![Which of the structures contains an aldehyde functional group? - ProProfs]( "Which of the structures contains an aldehyde functional group?")
Which of the structures contains an aldehyde functional group?- A.
A only
- B.
D only
- C.
B and D only
- D.
E only
- 22.
![What functional groups are present in this molecule? - ProProfs]( "What functional groups are present in this molecule?")
What functional groups are present in this molecule?- A.
An aldehyde and a amine
- B.
An amine and an ester
- C.
An amide and an ether
- D.
An ester and an ether
- 23.
![Which of the following represents the IUPAC name for compound A? - ProProfs]( "Which of the following represents the IUPAC name for compound A?")
Which of the following represents the IUPAC name for compound A?- A.
3-chloro-4-propylhexane
- B.
5-chloro-3-ethylheptane
- C.
4-propyl-5-chlorohexane
- D.
3-chloro-4-ethylheptane
- 24.
![Which of the following structures contains a ketone functional group? - ProProfs]( "Which of the following structures contains a ketone functional group?")
Which of the following structures contains a ketone functional group?- A.
A only
- B.
A, B, and E only
- C.
B and D only
- D.
A and E only
- 25.
![What is the molecular formula for compound A? - ProProfs]( "What is the molecular formula for compound A?")
What is the molecular formula for compound A?- A.
C6 H12 O2
- B.
C6 H12 O
- C.
C5 H10 O2
- D.
C6 H10 O
Questions: 10 | Attempts: 48646 | Last updated: Aug 26, 2021
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Sample QuestionWhat is the name of this chemical? NH4+
Questions: 10 | Attempts: 39936 | Last updated: Jun 23, 2020
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Sample QuestionAll matter consists of particles called________________.
Questions: 13 | Attempts: 31397 | Last updated: Aug 27, 2021
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Sample QuestionThe substances that enter a chemical reaction are called __________.
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