How many of the following reaction result in the formation of colored precipitate (not white). (...
0How many of the following reaction result in the formation of colored precipitate (not white).
(a) \( \mathrm{HgCl}_{2}+\mathrm{SnCl}_{2} \) (excess)
(b)
(c)
\( (d) \)
(e) \( \mathrm{Ni}^{2+}+ \) \( +\mathrm{NH}_{4} \mathrm{OH} \longrightarrow \)
(f) \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}+ \) conc. \( \mathrm{H}_{2} \mathrm{SO}_{4}+\mathrm{Cl}_{2} \longrightarrow \mathrm{A} \) \( \underset{\mathrm{NaOH}}{\stackrel{\text { aq. }}{\longrightarrow}} \mathrm{B} \)
\( \mathrm{Pb}^{2+} \) \( \rightarrow \)
(g) \( \mathrm{K}_{2} \mathrm{CrO}_{4}+\mathrm{Hg}_{2}^{2+} \)
(h) \( \mathrm{Hg}^{2+}+\mathrm{Co}^{2+}+\mathrm{SCN}^{-} \)
(i) \( \mathrm{Cu}^{2+}+\mathrm{I} \)
(j) \( \mathrm{Cd}^{2+}+\mathrm{CN} \)
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