29 авг. 2023 г. · Although this reaction is not suitable for separation of aluminum ion, it can be used as a confirmatory test for \(\ce{Al^{3+}}\) after ... |
Note: The Lake's test is also known as blue Lake's test and is the principle confirmatory test used to confirm the presence of aluminium cation in a given ... |
This is the principle for this test, Aluminum hydroxide is a good adsorbent, and therefore it adsorbs the blue litmus solution and gives this blue lake test. |
Lake test of Al3+ ion is based on adsorption of blue litmus on the solid surface of Al(OH)3. The dye aluminon is adsorbed by the gelatinous Al(OH)3 precipitate ... |
Blue lake test: To the mixture given, add water, and then add ammonium chloride followed by ammonium hydroxide. White ppt. is formed which confirms $A{l^{3 + }}$ ... |
Confirmatory tests for the anions which react with concentrated sulphuric acid are given in Table 7.4. Anion. (a). Take 0.1 g of salt in a test tube, add a ... |
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