An example of a double salt is

An example of a double salt is
  1. Bleaching powder
  2. $\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}ight]$
  3. Hypo
  4. Potash Alum

Solution

Potash Alum, $\mathrm{K}_{2} \mathrm{SO}_{4} . \mathrm{Al}_{2}\left(\mathrm{SO}_{4}ight) .24 \mathrm{H}_{2} \mathrm{O}$ is a double salt.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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