28777 Complex salt can be made by the combination of \({[C{o^{III}}{(N{H_3})_5}Cl]^X}\) with
(c) \({[Co\,{(N{H_3})_5}Cl]^x} + 2C{l^ - } \to [Co\,{(N{H_3})_5}Cl]\,C{l_2}\).
28778 Which reagent can be used to identify nickel ion
(b) \(Ni\) reacts with dimethylglyoxime to give red ppt. of nickel-dimethyl glyoxime complex.
28779 Dimethyl glyoxime forms a coloured complex with
It’s obvious.
28780 Silver chloride dissolves in excess of \(N{H_4}OH\). The cation present in this solution is
(b) \(\mathop {\mathop {AgCl + 2N{H_4}OH \to [Ag\,{{(N{H_3})}_2}]\,}\limits_{} Cl + 2{H_2}O}\limits_{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,[Ag{{(N{H_3})}_2}] + C{l^ - }} \)
28781 Silver sulphide dissolved in a solution of sodium cynamide to form the complex
(a) \(A{g_2}S + NaCN\) \( \rightleftharpoons \) \(Na\,\,[Ag\,{(CN)_2}] + N{a_2}S\).