Chemistry - Salt Analysis Question with Solution | TestHub

ChemistrySalt AnalysisTEST OF ANIONS CLASS A-SUBGROUP IEasy2 minQB

ChemistryEasysingle choice

A sodium salt on treatment with $MgCl_{2}$ gives white precipitate only on heating. The anion of the sodium salt is:

Options:

Answer:

Solution:

$H C O_{3}^{-}$ reacts with $M g C l_{2}$ to form $M g (H C O_{3})_{2}$ which is soluble, but on heating, it decomposes to form insoluble $M g C O_{3}$ precipitate.

$M g (H C O_{3})_{2} (a q) Δ M g C O_{3} (s) + H_{2} O (l) + C O_{2} (g)$

Stream:JEESubject:ChemistryTopic:Salt AnalysisSubtopic:TEST OF ANIONS CLASS A-SUBGROUP I

⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...