1. Tardigrade
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  3. Chemistry
  4. How many of the following species can act as a Lewis acid? BCl 3, CH 3 OCH 3, NH 3, CH 3 OH , H 2 O , ROH, ( CH 3)3 C +, SiCl 4, AlCl 3

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Q. How many of the following species can act as a Lewis acid?
$BCl _{3}, CH _{3} OCH _{3}, NH _{3}, CH _{3} OH , H _{2} O , ROH, \left( CH _{3}\right)_{3} C ^{+}, SiCl _{4}, AlCl _{3}$

Organic Chemistry – Some Basic Principles and Techniques

Solution:

$CH _{3} OCH _{3}, NH _{3}, CH _{3} OH , H _{2} O , ROH$ act as nucleophiles (i.e., Lewis base) while $BCl _{3}$, tert-butylcarbocation $\left[\left( CH _{3}\right)_{3} C ^{+}\right],SiCl _{4}$ and $AlCl _{3}$ act as Lewis acid.