- 1(current)
Q. No.What specific indication suggests the presence of an aldehyde group when reacting with 2,4-Dinitrophenylhydrazine (DNPH)?
1. Formation of a silver mirror
2. Formation of a yellow-orange precipitate
3. Liberation of gas with effervescence
4. No observable reaction
1. Formation of a silver mirror
2. Formation of a yellow-orange precipitate
3. Liberation of gas with effervescence
4. No observable reaction
Subtopic: Detection of the functional groups |
81%
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What are the characteristics of the crystals obtained after crystallization during the synthesis of acetanilide from aniline?
1. Yellow and irregularly shaped
2. White and needle-shaped
3. Blue and spherical
4. Red and cubic
Subtopic: Detection of the functional groups |
58%
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Q. No.
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