Why only As+3 gets precipitated as As2S3 and not Zn2+ as ZnS when H2S is passed through an acidic solution containing As+3 and Zn+2 ?
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Solubility product of As2S3 is less than that of ZnS
b
Enough As+3 are present in acidic medium
c
Zinc salt does not ionise in acidic medium
d
Solubility product changes in presence of an acid.
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Solubility of group II catioins is less than those of group IV. Classification of cations in qualitative analysis is based on their order of solubilities of their different salts.