What role do reagents play in chemical reactions?
Mastering Reagents: Electrophiles, Nucleophiles and Free Radicals

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Chemistry, Science, Physics
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10th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
They are used to measure reaction rates.
They are the final products of reactions.
They supply active species to convert reactants into products.
They act as catalysts.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a type of reagent based on active species?
Nucleophilic reagents
Electrophilic reagents
Ionic reagents
Free radical reagents
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a free radical?
An atom or group with paired electrons
An atom or group with unpaired electrons
A molecule with a complete octet
A stable ion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a free radical?
Carbon dioxide
Water molecule
Chlorine free radical
Sodium ion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What initiates the formation of chlorine free radicals?
Adding a catalyst
Heating to high temperatures
Mixing with water
Exposure to ultraviolet light
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