Question

Which of the following compounds do not have white color in the form of ppt.?

• A. $B{i}_2{S}_3$
• B. $Co\left[Hg{\left(SCN\right)}_4\right]$
• C. $CdS$
• D. $Bi{I}_3$

Answer 1

Answer: (A), (B), (C), (D)

The correct options are
A $Co\left[Hg{\left(SCN\right)}_4\right]$
B $Bi{I}_3$
C $CdS$
D $B{i}_2{S}_3$

Option (A),(B),(C),(D) are correct.

(A): $B{i}_2{S}_3$ gives black ppt.

(B): $Co\left[Hg{\left(SCN\right)}_4\right]$ gives black ppt.

(C):$CdS$ gives yellow ppt.

(D):$Bi{I}_3$ gives black ppt.