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Qualitative Analysis: Cations
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Group IV cations (Zn, Mn, Ni, Co)
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Single correct option
Difficulty 1 of 3
qc066
The colour of manganese(II) sulphide precipitated in group IV is
A
jet black
B
bright yellow
C
buff (light pink)
D
white
Answer: C
MnS
is a buff or flesh-pink precipitate; the black sulphides in group IV are
NiS
and
CoS
.
Practice Qualitative Analysis: Cations
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