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Write reaction for the qualitative analysis of Cl, CO2- 3​

Sagot :

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Explanation:

Based on the qualitative analysis, the following reactions can be written for the detection of Cl- and CO32- ions:

For Cl- (Chloride ion):

- AgNO3 (silver nitrate) test:

Ag+ (aq) + Cl- (aq) → AgCl (s) (white precipitate)

For CO32- (Carbonate ion):

- HCl (hydrochloric acid) test:

CO32- (aq) + 2H+ (aq) → H2O (l) + CO2 (g) (effervescence/ bubbles)

- CaCl2 (calcium chloride) test:

Ca2+ (aq) + CO32- (aq) → CaCO3 (s) (white precipitate)

Note: These reactions are used to detect the presence of Cl- and CO32- ions in a sample, and are commonly used in qualitative analysis techniques like precipitation reactions and acid-base reactions.

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