Term
A molecule that is cyclic, fully conjugated , bur does not satisfy Huckel's rule is
A. Aromatic
B. Anti Aromatic
C. Non Aromatic |
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Definition
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Term
A molecule that is not aromatic, not fully conjugated or is not flat is known as
A. Aromatic
B. Anti Aromatic
C. Non Aromatic |
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Definition
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Term
Identify whether or not the following molecule is aromatic or not
[image] |
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Definition
Aromatic - it is one of the known heterocycles
[image] |
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Term
Which catalyst is typically used in Friedel-Crafts Alkylation?
A. AlCl3
B. FeCl3
C. Pt
D. H2SO4 |
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Definition
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Term
With Friedel-Crafts alkylation, it is difficult to attach _____ alkyl fragments due to the possibility of ________.
a) linear; acid-base chemistry
b) linear; carbocation rearrangement
c) branched; acid-base chemistry
d) branched; carbocation rearrangement |
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Definition
b) linear; carbocation rearrangement |
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Term
When involved in electrophilic aromatic substitution, benzene acts as a(n):
a) nucleophile
b) electrophile
c) acid
d) base |
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Definition
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Term
5) Draw the product of the following EAS reaction:
[image] |
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Definition
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Term
Alkyl groups are _______ directors, because they are ________.
a) ortho/para; deactivating
b) ortho/para; activating
c) meta; deactivating
d) meta; activating |
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Definition
b) ortho/para; activating |
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Term
2) Nitro groups are _______ directors, because they are ________.
a) ortho/para; deactivating
b) ortho/para; activating
c) meta; deactivating
d) meta; activating |
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Definition
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Term
3) Halogens are ______ directors, despite being ________.
a) ortho/para; deactivating
b) ortho/para; activating
c) meta; deactivating |
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Definition
a) ortho/para; deactivating |
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Term
5) Draw the dominant product of the following transformation:
[image] |
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Definition
Nitro groups are deactivating , meta directors so the bromine is added to the meta position.
[image] |
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Term
What is amalgamated zinc complexed with?
a) copper b) iron
c) mercury
d) chromium |
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Definition
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Term
Clemmensen reduction converts a(n) _________ into a(n) _________.
a) ketone; alkane
b) aldehyde; alcohol
c) carboxylic acid; alkane
d) ester; alcohol |
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Definition
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Term
What sequence of reactions can affix a linear alkyl fragment onto a benzene ring?
a) Clemmensen reduction, friedel-crafts alkylation
b) Clemmensen reduction, friedel-crafts acylation
c) friedel-crafts alkylation, Clemmensen reduction
d) friedel-crafts acylation, Clemmensen reduction |
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Definition
d) friedel-crafts acylation, Clemmensen reduction |
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Term
What other reagent is required to perform Clemmensen reduction?
a) NaOH
b) HCl
c) FeCl3
d) AlCl3 |
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Definition
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Term
Draw the product of the following Clemmensen reduction:
[image] |
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Definition
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