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Exam 2: Molecular Representations

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Question 21

Multiple Choice

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

A) localized
B) delocalized

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Question 22

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

A) I
B) II
C) III
D) IV
E) None of these

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Question 23

Multiple Choice

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

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

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

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

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

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

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

What is the formal charge on the indicated carbon atom?

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

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

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

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

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

Which of the following compounds contain an alcohol functional group?

What is the formal charge on the indicated carbon atom?

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

Identify the functional groups in the following compound.

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