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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 quanlitative salt analysis?
`S^(2+), Hg_(2)^(2+), Pb^(2+), Zn^(2+), Cu^(2+), Cr^(3+), Ag^(3+), Mg^(2+), Sb^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
D
III A group: `Pb^(2+), Cu^(2+)`.
`III` group: `Cr^(3+)`,
`IV` group: `Zn^(2+)`.
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