Chemistry · 2021
Purification and Characterisation of Organic CompoundsLassaigne's Test and Detection of Other Elements
JEE Main · 16 March 2021, Shift 2 · Q41
Match List-I with List-II: The correct match is:
Match List-I with List-II :
The correct match is :
| List-I | List-II | ||
| Test/Reagents/Observation(s) | Species detected | ||
| (a) | Lassaigne's Test | (i) | Carbon |
| (b) | Cu(II) oxide | (ii) | Sulphur |
| (c) | Silver nitrate | (iii) | $\displaystyle \mathrm{N}, \mathrm{S}, \mathrm{P}$, and halogen |
| (d) | The sodium fusion extract gives black precipitate with acetic acid and lead acetate | (iv) | Halogen Specifically |
Official answer
(2)
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
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