A) contains 6 p electrons and is aromatic
B) contains 6 p electrons and is nonaromatic
C) contains 8 p electrons and is antiaromatic
D) contains 8 p electrons and is aromatic
E) contains 8 p electrons and is nonaromatic
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Multiple Choice
A) ![]()
B) ![]()
C) ![]()
D) ![]()
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Essay
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Multiple Choice
A) I > II > III > IV
B) I > II > IV > III
C) II > I > III > IV
D) II > I > IV > III
E) III > IV > II > I
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Multiple Choice
A) ![]()
B) ![]()
C) ![]()
D) ![]()
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Multiple Choice
A) ![]()
B) ![]()
C) ![]()
D) ![]()
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A) ![]()
B) ![]()
C) ![]()
D) ![]()
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Multiple Choice
A) CH3CΒΊO+
B) CH3+
C) CH3CO2-
D) benzene
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Multiple Choice
A) A
B) B
C) C
D) D
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Multiple Choice
A) A
B) B
C) C
D) D
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Multiple Choice
A) The p bonds are quickly moving around the ring.
B) There are two distinct structures that are in equilibrium.
C) All the carbon-carbon bonds are equal in length.
D) There are distinct single and double bonds.
E) Some bonds are longer than others.
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Multiple Choice
A) The carbocation intermediate will lose a proton to regain aromaticity,usually from a position other than the site of electrophilic attack.
B) Formation of the carbocation intermediate has a high activation barrier due to loss of aromaticity.
C) The carbocation intermediate has several resonance structures and is negatively charged.
D) Re-formation of the aromatic ring has a low activation barrier and therefore occurs slowly.
E) Many suitable electrophiles are unreactive and can be stored for long periods of time prior to use.
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Multiple Choice
A) six atomic 2p orbitals interact to form six p molecular orbitals
B) there are three bonding p molecular orbitals and three p antibonding molecular orbitals
C) the ground state electronic configuration of benzene has six electrons in three p bonding molecular orbitals
D) the carbon-carbon bonds are all the same length
E) All of these
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