{:(,"Column I",,"Column II"),((A),B_(2)H_(6),(p),"Borax"),((B),BF_(3),(q),"Lewis acid"),((C ),AlCl_(3),(r ),ppi-ppi " back bonding "),((D),H_(3)BO_(3),(s),NaBH_(4)):}

{:(,"Column I",,"Column II"),((A),B_(2)H_(6),(p),"Borax"),((B),BF_(3),

1.	{:(,"Column I",,"Column II"),((A),B_(2)H_(6),(p),"Borax"),((B),BF_(3),(q),"Lewis acid"),((C ),AlCl_(3),(r ),ppi-ppi " back bonding "),((D),H_(3)BO_(3),(s),NaBH_(4)):}
Answer» ANSWER :(A-s; B-Q,R; C-q ; D-p,q)