An Quiz For Aspiring Organic Chemists
Organic chemistry Second material exam Bassil Awaqleh
- 1.Which compound RX reacts MOST rapidly in an SN2 reaction?
- A.
2-bromohexane A) 2-Bromohexane
- B.
B) 1-Bromo-3-methylhexane
- C.
C) 2-Bromo-2-methylhexane
- D.
D) 3-Bromohexane
- 2.Which of the following is the most reactive as Nucleophile?
- A.
PhO-
- B.
PhS-
- C.
PhCH2O-
- D.
PhCH2NH2
- 3.Which is the most reactive compound by the SN1 mechanism
- A.
A
- B.
B
- C.
C
- D.
D
- 4.
![What is the IUPAC name of the following compound? - ProProfs]( "What is the IUPAC name of the following compound?")
What is the IUPAC name of the following compound?- A.
A) (2S, 3S)-2,3-dibromopentane
- B.
B) (2S, 3R)-2,3-dibromopentane
- C.
C) (2R, 3S)-2,3-dibromopentane
- D.
D) (2R, 3R)-2,3-dibromopentane
- 5.
![How many stereocenters are there in the following molecule? - ProProfs]( "How many stereocenters are there in the following molecule?")
How many stereocenters are there in the following molecule?- A.
2
- B.
0
- C.
3
- D.
1
- 6.Which of the following groups has the highest priority in the (R,S) system?
- A.
A
- B.
B
- C.
C
- D.
D
- 7.
![Give the product(s) of the following reaction? - ProProfs]( "Give the product(s) of the following reaction?")
Give the product(s) of the following reaction?- A.
A
- B.
B
- C.
C
- D.
A mixture of A and B
- 8.
![Identify the substitution product(s) in the following reaction - ProProfs]( "Identify the substitution product(s) in the following reaction")
Identify the substitution product(s) in the following reaction- A.
A
- B.
B
- C.
C
- D.
A mixture of A and B
- 9.
![What is the electrophile in the Friedel-Crafts alkylation reaction below? - ProProfs]( "What is the electrophile in the Friedel-Crafts alkylation reaction below?")
What is the electrophile in the Friedel-Crafts alkylation reaction below?- A.
AlCl3
- B.
Cl-
- C.
(CH3)3C+
- D.
Benzene
- 10.
![Which one of the following compounds undergoes electrophilic aromatic sulfonation at the fastest rate? - ProProfs]( "Which one of the following compounds undergoes electrophilic aromatic sulfonation at the fastest rate?")
Which one of the following compounds undergoes electrophilic aromatic sulfonation at the fastest rate?- A.
A
- B.
B
- C.
C
- D.
D
- 11.Nitration of chlorobenzene has a reaction rate which is __________ than the nitration rate of benzene and gives primarily the _____________ product(s)
- A.
A) faster, ortho/para
- B.
B) faster, meta
- C.
C) slower, ortho/para
- D.
D) slower , meta
- 12.
![Identify the major product(s) of the reaction sequence shown below - ProProfs]( "Identify the major product(s) of the reaction sequence shown below")
Identify the major product(s) of the reaction sequence shown below- A.
A) ortho and para-chloroacetophenone
- B.
B) meta-chloroacetophenone
- C.
C) ortho and para-chlorobenzaldehydeB
- D.
D) meta-chlorobenzaldehydeAns
- 13.
![Predict which position of the naphthalene compound below is the most reactive with electrophiles in electrophilic aromatic substitution - ProProfs]( "Predict which position of the naphthalene compound below is the most reactive with electrophiles in electrophilic aromatic substitution")
Predict which position of the naphthalene compound below is the most reactive with electrophiles in electrophilic aromatic substitution- A.
A
- B.
B
- C.
C
- D.
D
- 14.Which of the following statements true?
- A.
A. All molecules that have chirality centers are chiral
- B.
B. Superimposable structures are enantiomers
- C.
C. All compounds with mirror images are enantiomers Option 3
- D.
d. Isomers that are not superimposable on their mirror images are enantiomers
- 15.
![Which of the following structures is different from the other three? - ProProfs]( "Which of the following structures is different from the other three?")
Which of the following structures is different from the other three?- A.
1
- B.
4
- C.
2
- D.
3
- 16.
![Which of the following Fischer projections is different from the other three? - ProProfs]( "Which of the following Fischer projections is different from the other three?")
Which of the following Fischer projections is different from the other three?- A.
2
- B.
3
- C.
1
- D.
4
- 17.
![The product(s) of the following reaction are ? - ProProfs]( "The product(s) of the following reaction are ?")
The product(s) of the following reaction are ?- A.
A
- B.
B
- C.
C
- D.
A + B
- 18.
![What is the MOST reactive alkyl halide for the following reaction? - ProProfs]( "What is the MOST reactive alkyl halide for the following reaction?")
What is the MOST reactive alkyl halide for the following reaction?- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 19.
![Azide anion (N3)- is a very good Nu , predict the major product for the following reaction ? - ProProfs]( "Azide anion (N3)- is a very good Nu , predict the major product for the following reaction ?")
Azide anion (N3)- is a very good Nu , predict the major product for the following reaction ?- A.
Option 1
- B.
Option 2
- C.
Option 3
- D.
Option 4
- 20.In substitution reaction of (CH3)CBr with H2O doubling the concentration of both substance and Nu lead to :
- A.
Doubling the rate
- B.
Tripling the rate
- C.
No change
- D.
Quadrupling the rate
Questions: 18 | Attempts: 17184 | Last updated: Aug 4, 2021
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