Podcast
Questions and Answers
What is the purpose of the KMnO4 test described in the text?
What is the purpose of the KMnO4 test described in the text?
- To observe decolourisation of bromine water
- To identify alcohols, ketones, aldehydes, and esters
- To observe decolourisation of KMnO4
- To detect carbohydrates, acids, phenols, and amines (correct)
What type of compound would likely show a non-sooty flame during the flame test described in the text?
What type of compound would likely show a non-sooty flame during the flame test described in the text?
- An aromatic compound (correct)
- An alcohol
- A saturated compound
- A carbohydrate
In the bromine water test, what inference can be made if there is no decolourisation along with the formation of a precipitate?
In the bromine water test, what inference can be made if there is no decolourisation along with the formation of a precipitate?
- Presence of aldehydes
- Presence of aromatic acids (correct)
- Presence of nitro compounds
- Presence of esters
Which type of compound is more likely to show decolourisation of KMnO4 according to the text?
Which type of compound is more likely to show decolourisation of KMnO4 according to the text?
If a substance produces a sooty flame during the flame test and does not char, what type of compound could it likely be?
If a substance produces a sooty flame during the flame test and does not char, what type of compound could it likely be?
What compounds are likely present if a substance gives off a fishy or sweet pleasant odor during testing?
What compounds are likely present if a substance gives off a fishy or sweet pleasant odor during testing?
What inference can be made if a substance shows decolourisation of bromine water without any formation of a precipitate?
What inference can be made if a substance shows decolourisation of bromine water without any formation of a precipitate?
Which type of compound is likely to give a blackish color during the preliminary test observation?
Which type of compound is likely to give a blackish color during the preliminary test observation?
What type of compound is likely to produce a pink color during the preliminary test observation?
What type of compound is likely to produce a pink color during the preliminary test observation?
If a substance gives off a moth balls-like smell during testing, what compounds may be present?
If a substance gives off a moth balls-like smell during testing, what compounds may be present?
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?
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?
Which compounds are indicated by the presence of a buff or reddish color during the preliminary test observation?
Which compounds are indicated by the presence of a buff or reddish color during the preliminary test observation?
If a substance shows no decolourisation in the KMnO4 test described in the text, what type of compound could be present?
If a substance shows no decolourisation in the KMnO4 test described in the text, what type of compound could be present?
