JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
The electrolytes usually used in the electroplating of gold and silver, respectively, are
- A \([Au(CN_2 ]^-\) and \([Ag(CN_2) ]^-\)
- B \([Au(CN_2 ]^-\) and \([AgCl_2]^-\)
- C \([Au(OH)_4 ]^-\) and \([Ag(OH)_2]^-\)
- D \([Au(NH_3)_2 ]^+\) and \([Ag(CN)_2]^-\)
Answer & Solution
Correct Answer
(A) \([Au(CN_2 ]^-\) and \([Ag(CN_2) ]^-\)
Step-by-step Solution
Detailed explanation
\([Au(CN_2]^-\) and \([Ag(CN)_2 ]^-\) both are soluble complexes.
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