Which of the following can't be used in Friedal Craft's reactions? Options: A . &nbsp F e C l 3 B . &nbsp F e B r 2 C . &nbsp A l C l 3 D . &nbsp N a C l

Which of the following can't be used in Friedal Craft's reactions?

Discussion Forum : General Organic Chemistry

Question -

Which of the following can't be used in Friedal Craft's reactions?

Options:

A .

F e C l_{3}

B .

F e B r_{2}

C .

A l C l_{3}

D .

N a C l

Answer: Option D
:
D

All cations are expected to act as Lewis acid since they are electron deficient in nature.
However, cations such as $N a^{+}$ , $K^{+}$ etc. (Inert gas configuration) have a very little tendency to accept electrons.
Therefore they do not acts as lewis acids in Friedel Craft's reaction.

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Discussion Forum : General Organic Chemistry

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