2. Name the three Classification Tests used to isolate the anions by similar che

Question

2. Name the three Classification Tests used to isolate the anions by similar chemical characteristics. a. b. c. 3. For each of the following, identify the anion or anions responsible for the following observations a. A light yellow precipitate occurs with Ag" b. Addition of 6 M H SO4 causes evolution of a gas. When chlorine water and hexane are added to an aqueous solution of the anion, the hexane layer turns red-amber. c. d. In the presence of H2SO, and heat, a red/brown gas is evolved. Chemistry 132 EXPERIMENT 27B

Explanation / Answer

Q2

Anions can be classified into four groups.

group 1: ions belonging to this group are carbonate,silicate,sulphide,sulphite and thiosulphite

                visible change

             on reaction with dilute HCl, either release a gas or form a precipitate

group 2: ions belonging to this group are sulphate,phosphate,flouride,borate

            in neutral medium forms precipitate with barium ions

group 3: ions belonging to this group are chloride,bromide,iodide,thiocyanate

            in dilute nitirc acid medium form precipitae with silver ions

group 4:ions belonging to this group are nitrite,nitrate and chlorate

           

Q3

a - iodide ion

b- carbonate,sulphote,sulphide,nitrite

c-bromide ion

d-nitrite ion

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.