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JEE • CHEMISTRY • ALDEHYDES & KETONES & CARBOXYLIC ACIDS
Aldehydes & ketones & carboxylic acids practice · Hard
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Practice format and chapter quiz
These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.
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31
Hard
31 of 34
Analyzing
+4 | -1
Benzaldehyde and acetone can be best distinguished using
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Correct option: D
Tollen’s reagent
Option D (Tollen’s reagent) is correct because benzaldehyde gives a positive Tollen's test (silver mirror), while acetone does not.
32
Hard
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Understanding
+4 | -1
During hydrogenation of oils vegetable ghee is formed. In this process:
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Correct option: C
Esters of unsaturated fatty acids are reduced to those of saturated acids
Option C is correct because during hydrogenation of oils, the esters of unsaturated fatty acids are reduced to those of saturated acids, which leads to the formation of vegetable ghee.
33
Hard
33 of 34
Analyzing
+4 | -1
reduces an ester into and . Thus, ester is
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Correct option: A
Option A () is correct because it's the only ester that reduces to HCHO and (CH3)2CHOH when reacted with .
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Hard
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Understanding
+4 | -1
can be oxidised to by:
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Correct option: D
NaOI
Option D (NaOI) is correct because sodium hypohalite (NaOI) can oxidize unsaturated ketones to unsaturated acids.
Revision notes and key takeaways
Review ALDEHYDES & KETONES & CARBOXYLIC ACIDS in your textbook or class notes, then use this set to check your understanding.
Showing 31-34 of 34 questions