When horn silver ore is dissolved in excess of sodium cyanide solution compound formed is

When horn silver ore is dissolved in excess of sodium cyanide solution compound formed is
  1. $\mathrm{AgCN}$
  2. $\mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}ight]$
  3. $\mathrm{Na}_{2}\left[\mathrm{Ag}(\mathrm{CN})_{3}ight]$
  4. $\mathrm{Na}_{4}\left[\mathrm{Ag}(\mathrm{CN})_{5}ight]$

Solution

$\mathrm{AgCl}+2 \mathrm{NaCN} ightarrow \mathrm{Na}\left[\mathrm{Ag}(\mathrm{CN})_{2}ight]+\mathrm{NaCl}$

Asked in: JEE-TOPICTESTS-CHEMISTRY

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