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Classification of Alcohols

Which one of ...

Question

Which one of the following acts as a nucleophile?

(C H_{3})_{3} N

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B F_{3}

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+ N O_{2}

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C H_{3} - + C = O

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Solution

The correct option is A $(C H_{3})_{3} N$
All molecules or ions with a free pair of electrons or atleast one pi bond can act as nucleophiles.
Trimethylamine ${(C H_{3})}_{3} N$ has unshared electrons which they donate making them nucleophiles.
$B F_{3}$ is electron deficient.
${N O_{2}}^{+}$ is electron deficient.
$C H_{3} - C^{+} = O$ is electron deficient

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