13 Questions
What is the purpose of the KMnO4 test described in the text?
To detect carbohydrates, acids, phenols, and amines
What type of compound would likely show a non-sooty flame during the flame test described in the text?
An aromatic compound
In the bromine water test, what inference can be made if there is no decolourisation along with the formation of a precipitate?
Presence of aromatic acids
Which type of compound is more likely to show decolourisation of KMnO4 according to the text?
Carbohydrate
If a substance produces a sooty flame during the flame test and does not char, what type of compound could it likely be?
Nitrobenzene
What compounds are likely present if a substance gives off a fishy or sweet pleasant odor during testing?
Aromatic amine and phenol
What inference can be made if a substance shows decolourisation of bromine water without any formation of a precipitate?
The presence of an unsaturated or easily oxidizable compound
Which type of compound is likely to give a blackish color during the preliminary test observation?
Carbohydrate, acid, phenol, or amine
What type of compound is likely to produce a pink color during the preliminary test observation?
P-Toluidine, resorcinol
If a substance gives off a moth balls-like smell during testing, what compounds may be present?
Phenol, cresol
When a substance produces a non-sooty flame during the flame test but does not char, what type of compound is it likely to be?
Saturated compound
Which compounds are indicated by the presence of a buff or reddish color during the preliminary test observation?
$a$-Naphthol, B-Naphthol
If a substance shows no decolourisation in the KMnO4 test described in the text, what type of compound could be present?
$m$-Dinitrobenzene, p-Nitro toluene, nitro phenol, nitro aniline
This quiz covers various chemical tests for identification purposes such as KMnO4 test and Bromine water Test. It includes observations for different substances in solid and liquid forms based on color, odor, and flame test results.
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