Multiple Choice
A solution may contain the following ions Ag+,Cu2+,Cd2+,Mn2+,Ni2+ and Na+.A white precipitate formed when 0.10 M NaCl was added and after this was removed the solution was treated with H2S gas under acidic conditions and no precipitate formed.When the solution was made basic and again treated with H2S gas a dark colored precipitate formed.If no further tests were made then what conclusions can you draw?
A) possible ions present Ag+,Mn2+,Ni2+
B) possible ions present Ag+,Mn2+,Ni2+,Na+
C) possible ions present Ag+,Cu2+,Cd2+
D) possible ions present Ag+,Cu2+,Cd2+,Na+
Correct Answer:

Verified
Correct Answer:
Verified
Q164: What is the [CH<sub>3</sub>CO<sub>2</sub><sup>-</sup>]/[CH<sub>3</sub>CO<sub>2</sub>H] ratio necessary to
Q165: What is the percent dissociation of ascorbic
Q166: What is the pH at the first
Q167: The following plot shows two titration curves,each
Q168: What is the approximate value of the
Q170: The pH of a 0.150 M formic
Q171: The half equivalence point in the titration
Q172: Which of the following metal hydroxides are
Q173: What is the approximate pH at the
Q174: Which of the following titrations result in