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How much of the following cations belong...

How much of the following cations belong to group `IIA, III, IV`, and `V` only in qualitative salt analysis?
`Sr^(2+), Hg_(2)^(2+), Pb^(2+), Zn^(2+), Cu^(2+), Cr^(3+), Ag^(+), Mg^(2+), Sb^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
4
`Pb^(2+),Cu^(2+),Cr^(3+),Zn^(2+)`
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