Among the halides(a) BF_(3)(b)BCl_(3)(c ) BBr_(3)(d) BI_(3)The order of decreasing Lewis acid character is

Among the halides(a) BF_(3)(b)BCl_(3)(c ) BBr_(3)(d) BI_(3)The order o

1.	Among the halides(a) BF_(3)(b)BCl_(3)(c ) BBr_(3)(d) BI_(3)The order of decreasing Lewis acid character is
Answer» a,B,c,d d,c,b,a c,d,b,a b,c,d,a SOLUTION :Order of LEWIS acid character `BI_(2) gt "BBr"_3 gt BCI_(3) gt BF_3` due to ` p PI - p pi`back bonding