Question

A primary amine {B), on treatment with a solution of $AuC{l}_3$ in conc. $HCl$ yields a compound whose formula would be?

• A. $(BH{)}^{+}.AuC{l}_4^{-}$
• B. $(B{H}_2{)}^{+}.AuC{l}_4^{-2}$
• C. $(BH{)}^{+}.HAuC{l}_4^{-}$
• D. $B.AuC{l}_4$

Answer 1

The correct option is A $(BH{)}^{+}.AuC{l}_4^{-}$

$B+AuC{l}_3\stackrel{HCl}{\to }(BH{)}^{+}AuC{l}_4^{-}$ .