In the extraction of which of the following, complex ion formsA. (a) `

1.	In the extraction of which of the following, complex ion formsA. (a) `Cu`B. (b) `Ag`C. (c) `Fe`D. (d) `Na`
Answer» Correct Answer - B `Ag_2S+4NaCN hArr 2Naunderset("Sodium dicyno argentate")([Ag(CN)_(2)]+ Na_2 S)` `2Na[Ag(CN)_2]+ZnrarrNa_2 underset("Sodium tetracyno zincate (ppt.)")([Zn(CN)_2]+2Agdarr)`

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In the extraction of which of the following, complex ion formsA. (a) `Cu`B. (b) `Ag`C. (c) `Fe`D. (d) `Na`

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