QUESTION 6 2 points Save Answ Of the anions that do form a precipitate with the

Question

QUESTION 6 2 points Save Answ Of the anions that do form a precipitate with the silver cation, which will not dissolve again when 3M nitric acid is added? QUESTION 7 2 points Save Answ Which one of the nine anions will not react in any of the three classification reactions? QUESTION 8 2 points Save Answ Which of the nine anions have confirmation tests that are identic to one of the classification tests? QUESTION 9 2 points Save Answ Which of the nine anions have confirmation tests that result in a solid product? QUESTION 10 2 points Save Answ Which of the nine anions have confirmation tests that result in a

Explanation / Answer

Qualitative analysis of anions

6. Of the anions that form precipitate of Ag, the ones which would not dissolve upon addition of 3 M HNO3 are,

Cl-

Br-

I-

they all do not dissolve, however, the other Ag3PO4 and Ag2CO3 dissolve upon addition of 3 M HNO3

7. The anions which do not react in the confirmatory test are,

SO3^2-

NO3-

they form soluble compounds and gases

8. The anions which have confirmatory tests identical to the classification test are,

Cl-

Br-

I-

The three ions form different colored precipitates and are used for classification

9. the anions which give a precipitate upon confirmatory tests are,

Br-

Cl-

I-

PO4^3-

SO4^2-

they all form insoluble precipitates

10. Anions which form colored products are,

Br-

PO4^3-

I-

The three anions form colored precipitates which are the identification tests for the anions in the solution.

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