By a cationic Lewis acid is meant a cation with {TAIL ~ a positive charge} such as Ag+, {HEAD ~ H+}, and Na+ 
By a cationic Lewis acid is meant a cation with { TAIL ~ a positive charge } such as Ag+ , { HEAD ~ H+ } , and Na+
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH