What is a nucleophile?

Understanding Nucleophile Strength

Interactive Video
•
Chemistry, Science
•
10th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An atom or molecule that accepts electrons
An atom or molecule that donates electrons
A neutral molecule
A positively charged ion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of a strong nucleophile?
Neutral charge and high electronegativity
Positive charge and low electronegativity
Low electronegativity and excess negative charge
High electronegativity and no excess electrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of electronegativity in determining nucleophile strength?
Higher electronegativity always means stronger nucleophile
Lower electronegativity always means stronger nucleophile
Moderate electronegativity with excess electrons makes a strong nucleophile
Electronegativity does not affect nucleophile strength
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is iodide considered a stronger nucleophile than fluoride?
Iodide is more electronegative than fluoride
Iodide has a higher atomic number
Fluoride has a larger atomic radius
Iodide is less electronegative and more willing to donate electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ion is more likely to donate its electron, iodide or fluoride?
Iodide, because it is less electronegative
Iodide, because it has more electrons
Fluoride, because it is less electronegative
Fluoride, because it has more electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a medium nucleophile?
Iodide ion
Hydroxide ion
Chloride ion
Sodium ion
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common feature of medium nucleophiles like hydroxide?
They are not electronegative at all
They have no excess electrons
They are highly electronegative and prefer to keep their electrons
They have a full positive charge
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