USING BARIUM NITRATE OR BARIUM CHLORIDE FOLLOWED BY DILUTE HCl OR HNO 3 .

Question 1

used why

Answer 1

to confirm the presence of CO 3 2- , SO 4 2- and SO 3 2- ions.

Question 2

CO 3 2- ions present.

Answer 2

White precipitate which is soluble in dilute HCl
or HNO3 with effervescence to release CO2.

Question 3

SO 3 2- ions present.

Answer 3

White precipitate which is soluble in dilute acid
to give SO2.

Question 4

SO 4 2- ions present.

Answer 4

White precipitate which is insoluble in dilute acid.