Answer to Question #238440 in General Chemistry for Sachi

Question

To identify the cations and anions present in an unknown solution, the following tests were carried out.

I. A flame test on the solid substance produces a brick red colour.

II. Nitric acid was added to a solution of the substance followed by a few drops of barium nitrate solution. A white precipitate was formed.

i. What is the cation present in the substance?

ii. What is the anion present in the substance?

iii. Give the formula of the substance present.

Answer 1

I. Sr

II. BaSO4