Qualitative Analysis - Result Question 20

####20. Which one amongst the following pairs of ions cannot be separated by H2S in dilute HCl ?

(a) Bi3+,Sn4+

(b) Al3+,Hg2+

(c) Zn2+,Cu2+

(d) Ni2+,Cu2+

(1986,1M)

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Solution:

  1. Both Bi3+ and Sn4+ belongs to same analytical group II.


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