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Exam 2: Molecular Representations

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Question 21

Multiple Choice

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What is the formal charge on the indicated carbon atom?

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

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Question 22

Multiple Choice

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The indicated bond in the following compound is_____ of the paper.

A) in the plane
B) out of the plane
C) behind the plane
D) None of these

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Question 23

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Tamiflu, the most effective antiviral drug used to treat avian influenza, has the following structure. Identify the functional groups in Tamiflu.

Draw a bond-line structure for each constitutional isomer with a molecular formula of C₃H₈O.

Draw a bond-line structure for CH₃C≡C(CH₂)₃C(CH₃)₂CH₂OCH₃.

How many lone pairs of electrons are on the oxygen atom?

Which of the following compounds contain an alcohol functional group?

How many hydrogen atoms are connected to the indicated carbon atom?

Which of the following pairs are resonance structures of each other?

Which of the following is the correct bond-line structure for (CH₃) ₂CHCH₂C(CH₃) ₃?

Label the bonds that are out of the plane and behind the plane of the paper.

What is the formal charge on the indicated carbon atom?

Draw significant resonance structures for the following compound. Which of these is/are the most significant resonance structure(s)? Explain why.

Draw a bond-line structure for (CH₃)₂N(CH₂)₃CH(CH₃)₂.

Which of the following is a correct resonance structure for compound A?

Identify the functional groups in the following compound.

What is the formal charge on the nitrogen atom in the following compound?

The lone pair on nitrogen in the following compound is _______.

For the following equation, how many hydrogen atoms are added or lost?

Amoxicillin, an antibiotic, has the following structure. Identify the functional groups in amoxicillin.