
Umpolung and Nef Reaction Concepts

Interactive Video
•
Chemistry
•
11th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who first reported the Nef reaction?
Albert Einstein
Johann Nef
Marie Curie
Dmitri Mendeleev
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main product of the Nef reaction when using primary nitronates?
Ketones
Aldehydes
Carboxylic acids
Alcohols
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the starting point of the Nef reaction?
Ketones
Aldehydes
Nitronates
Nitroalkanes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major side product in the Nef reaction under concentrated sulfuric acid conditions?
Hydroxamic acid
Methane
Acetic acid
Ethanol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term 'Umpolung' refer to in organic chemistry?
A type of solvent
A type of catalyst
Reversal of polarity
A new element
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which two scientists are associated with introducing the concept of Umpolung?
Isaac Newton and Galileo Galilei
Dieter Seebach and E. J. Corey
Marie Curie and Pierre Curie
Albert Einstein and Niels Bohr
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of Umpolung, what is the usual role of a carbonyl group?
Base
Acid
Nucleophile
Electrophile
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