- 1(current)
Q. No.Match List-I with List-II:
Choose the correct answer from the options given below:
| (List-I) Solid salt treated with dil. \(\mathrm{{H}_2 {SO}_4}\) |
(List-II ) Anion detected |
||
| A. | Effervescence of colourless gas | I. | \( \mathrm{NO}_2^{-} \) |
| B. | Gas with smell of rotten egg | II. | \(\mathrm{CO}_3^{2-} \) |
| C. | Gas with pungent smell | III. | \(\mathrm{S}^{2-}\) |
| D. | Brown fumes | IV. | \(\mathrm{SO}_3^{2-}\) |
| 1. | A-II, B-III, C-IV, D-I | 2. | A-IV, B-III, C-II, D-I |
| 3. | A-I, B-II, C-III, D-IV | 4. | A-II, B-III, C-I, D-IV |
Subtopic: Â Detection of Anions |
 75%
Level 2: 60%+
NEET - 2024
Hints
In salt analysis, \(\mathrm{Cl^-,Br^-}\) and \(\mathrm{I^-}\) are identified by adding dilute \(\mathrm{HNO_3}\) followed by \(\mathrm{AgNO_3}\) solution to the salt solution. Which of the following statements are correct?
Choose the correct answer from the options given below:
| A | \(\mathrm{Cl^-}\) gives pale yellow precipitate. |
| B | \(\mathrm{Br^-}\) gives a pale yellow precipitate which is partially soluble in \(\mathrm{NH_4OH.}\) |
| C | \(\mathrm{I^-}\) gives yellow precipitate which is insoluble in \(\mathrm{NH_4OH.}\) |
| D | \(\mathrm{Cl^-}\) gives white precipitate which is insoluble in \(\mathrm{NH_4OH.}\) |
| E | \(\mathrm{I^-}\) gives purple violet gas. |
Choose the correct answer from the options given below:
| 1. | B and C only | 2. | A and B only |
| 3. | A and E only | 4. | D and E only |
Subtopic: Â Detection of Anions |
 57%
Level 3: 35%-60%
NEET - 2024
Hints
- 1(current)
Q. No.
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