Can you answer all questions (2-5) please with correct answers? Thank you!!!! 2.

Question

Can you answer all questions (2-5) please with correct answers? Thank you!!!! 2. Part B.1. A red-brown precipitate does not form even after the Ct SOtdtIoT Explain. addition of the "additional 2 drops of cone NH," What can you conclude, and what is the next step in the analysis? clude, and what is the next step in the analysis? affect the separation of the Fe from the Ni+ ions in the test solution? Explain next step in the analysis? 1. The supernatant is colorless after the addition of the "additional 2 drops of conc NH,. What can you con- 4. Part B.1. Instead of cone NH, being added to the test solution, 6 M NaOH is added (both are bases). How will this 5. Part D.1. After adding the NH, no precipitate ever formed. What can you conclude from this observation? What is the

Explanation / Answer

Answer:

1) We can conclude that there is no Fe3+ in the solution. Next step: Nickel ion test

2) We can conclude that there is no Fe3+ in the solution. Next step: Nickel ion test

3) It will not affect the separation, because there is no Fe in the solution. This step is to precipitate these hidroxides (Fe(OH)3 and Ni (OH)3) from Al and Zn.

4) It is the same conclusion, no Fe in the solution, you need to go the the Ni test.

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