A) Na[AuCl]
B) \[Na\,[AuC{{l}_{2}}]\]
C) \[Na\,[AuC{{l}_{3}}]\]
D) \[Na\,[AuC{{l}_{4}}]\]
Correct Answer: D
Solution :
When auric chloride reacts with sodium chloride then sodium chloroaurate is formed. \[\underset{\begin{smallmatrix} auric \\ chloride \end{smallmatrix}}{\mathop{AuC{{l}_{3}}}}\,\,\,\,+NaCl\xrightarrow{{}}\underset{\begin{smallmatrix} sodium\text{ }chloro \\ aurate \end{smallmatrix}}{\mathop{Na[AuC{{l}_{4}}]}}\,\] Auric chloride is red soluble crystalline solid. It is used in gliding glass and in photography.
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