Which of the following compounds gives red precipitate with $\mathrm{AgNO}_{3}$ ?

Which of the following compounds gives red precipitate with $\mathrm{AgNO}_{3}$ ?
  1. KI
  2. $\mathrm{K}_{2} \mathrm{CrO}_{4}$
  3. $\mathrm{NaBr}$
  4. $\mathrm{NaNO}_{3}$

Solution

$2 \mathrm{AgNO}_{3}+\mathrm{K}_{2} \mathrm{CrO}_{4} ightarrow \mathrm{Ag}_{2} \mathrm{CrO}_{4}+2 \mathrm{KNO}_{3}$
Red precpitate

Asked in: JEE-TOPICTESTS-CHEMISTRY

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