In II B group of basic radicals the yellow ppt. are given by: (a) \( \mathrm{As}^{3+} \) (b) \( ...

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In II B group of basic radicals the yellow ppt. are given by:
(a) \( \mathrm{As}^{3+} \)
(b) \( \mathrm{Sb}^{3+} \)
(c) \( \mathrm{Sn}^{4+} \)
(d) \( \mathrm{Sn}^{2+} \)
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