Among the following, total number of cations that tend to form soluble complex with excess NH_(4)OH(aq) and excess NaCN(aq): Pb^(2+), Cd^(2+), Hg^(2+), Bi^(3+), Cu^(2+), Ag^(+)

Among the following, total number of cations that tend to form soluble

1.	Among the following, total number of cations that tend to form soluble complex with excess NH_(4)OH(aq) and excess NaCN(aq): Pb^(2+), Cd^(2+), Hg^(2+), Bi^(3+), Cu^(2+), Ag^(+)
Answer» SOLUTION :`CD^(2+), CU^(2+),AG^(+)`