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Which of the following is the strongest nucleophile?
- a)C2H5SH
- b)CH3COO-
- c)CH3NH2
- d)NC-CH2
Correct answer is option 'B'. Can you explain this answer?
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Which of the following is the strongest nucleophile?a)C2H5SHb)CH3COO-c...
A negatively charged nucleophile is always stronger than a neutral one
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Which of the following is the strongest nucleophile?a)C2H5SHb)CH3COO-c...
Strongest Nucleophile
The nucleophile is a species that donates its electron pair to form a new bond. The strength of the nucleophile is determined by its ability to donate the electron pair. The stronger the nucleophile, the more readily it can donate the electron pair. The strength of the nucleophile depends on the electronegativity, charge, and steric effects of the atom or group.
Comparison of the options
a) C2H5SH: This is a thiol, and the S atom is less electronegative than O, leading to a weaker nucleophile.
b) CH3COO-: This is an acetate ion, and the O atom is highly electronegative, leading to a strong nucleophile.
c) CH3NH2: This is a primary amine, and the N atom is less electronegative than O, leading to a weaker nucleophile.
d) NC-CH2: This is a cyanide ion, and the C atom is highly electronegative, leading to a strong nucleophile.
Conclusion
Out of the given options, CH3COO- is the strongest nucleophile due to the high electronegativity of the O atom.
The nucleophile is a species that donates its electron pair to form a new bond. The strength of the nucleophile is determined by its ability to donate the electron pair. The stronger the nucleophile, the more readily it can donate the electron pair. The strength of the nucleophile depends on the electronegativity, charge, and steric effects of the atom or group.
Comparison of the options
a) C2H5SH: This is a thiol, and the S atom is less electronegative than O, leading to a weaker nucleophile.
b) CH3COO-: This is an acetate ion, and the O atom is highly electronegative, leading to a strong nucleophile.
c) CH3NH2: This is a primary amine, and the N atom is less electronegative than O, leading to a weaker nucleophile.
d) NC-CH2: This is a cyanide ion, and the C atom is highly electronegative, leading to a strong nucleophile.
Conclusion
Out of the given options, CH3COO- is the strongest nucleophile due to the high electronegativity of the O atom.
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Which of the following is the strongest nucleophile?a)C2H5SHb)CH3COO-c)CH3NH2d)NC-CH2Correct answer is option 'B'. Can you explain this answer?
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