can ne one tell me the confermatory test fr detectin SO4^-2???

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pls tell me the confermatory test fr detecting the presence of SO4^-2 .............i have my practical exams 2morrow.......

2006-09-11 03:28:07 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

to the few ml of ur mixture add barium chloride solution.....a white ppt indicates sulphate

2006-09-11 03:49:27 · answer #1 · answered by chandu 1 · 0⤊ 0⤋

you should add Ba (barium) ions to the solution.
If the solution turns into a white color, the presence of SO4^-2 is detected.

2006-09-11 12:18:00 · answer #2 · answered by TlOoLy 06 2 · 0⤊ 0⤋

Add few drops of barium chloride so white PPt of barium sulphate forms if sulphate is present.

2006-09-13 08:11:43 · answer #3 · answered by Tushar 2 · 0⤊ 0⤋

add BaCl2 a white ppt. insoluble in conc. HCl cofirms the test

2006-09-11 11:15:48 · answer #4 · answered by rex1254 1 · 0⤊ 0⤋