In the extraction of which of the following, complex ion formsA. CuB.

1.	In the extraction of which of the following, complex ion formsA. CuB. AgC. FeD. Na
Answer» Correct Answer - B `Ag_(2)S +4NaCN hArr underset("Sodiumdicy anoargentate")(2Na[Ag(CN)_(2)]+Na_(2)S)` `2Na[Ag(CN)_(2)]+Znrarr underset("Sodiumtetracyanozincate(ppt)")(Na_(2)[Zn(CN)_(4)]+2Agdarr)`

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In the extraction of which of the following, complex ion formsA. CuB. AgC. FeD. Na

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