1.

Whichoneamongthe followingpairs of ionscannot besepratedby H_(2)Sin dilate HCI ?

Answer»

`AI^(3+), Hg^(2+)`
`Zn^(2+), Cu^(2+)`
`Bi^(3+), SN^(4+)`
`NI^(3+), Cu^(2+)`

ANSWER :c


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