NEET Chemistry Functional Group Tests Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Barium ion test | (i) Blue precipitate with potassium ferrocyanide |
| (b) Arsenic acid test | (ii) Yellow precipitate with potassium chromate |
| (c) Nessler's reagent | (iii) Brown precipitate of basic mercury(II) amido-iodine |
| (d) Acidic salt test | (iv) Gas evolution with dilute acids |
a-ii, b-i, c-iii, d-iv
a-i, b-ii, c-iv, d-iii
a-ii, b-iii, c-iv, d-i
a-ii, b-iv, c-i, d-iii
Correct Answer
Detailed Explanation
The correct matching shows that the barium ion test produces a yellow precipitate with potassium chromate, arsenic acid test results in a blue precipitate with potassium ferrocyanide, Nessler's reagent yields a brown precipitate, and acidic salts can evolve gas when treated with dilute acids as indicated in the NCERT context.
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