
unit-iii-poc-iii

Quiz
•
Chemistry
•
University
•
Hard
chanda ranjan
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following shows atropisomerism?
Toluene
Biphenyl
Benzene
Ethylbenzene
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following reactions produce different stereoisomers selectively?
Stereospecific
Stereoselective
Regioselective
Chemoselective
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which conformer of n-butane is most stable?
Fully eclipsed
Gauche
Anti
Half-chair
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which heterocyclic compound is most aromatic?
Pyrrole
Thiophene
Furan
Indole
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following contains a nitrogen atom in the ring?
Thiophene
Furan
Pyrrole
Benzofuran
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which reagent is typically used in the synthesis of pyrrole?
Acetylene and ammonia
1,4-dicarbonyl compounds and ammonia
Phenol and acetic acid
Ethyl acetate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following reactions is common for furan, thiophene, and pyrrole?
Friedel-Crafts acylation
Electrophilic substitution
Hydrogenation
Elimination
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