Compound (C) in above reaction is:

(1) α-hydroxy acid

(2) α-amino acid

(3) α-amino alkanol

(4) α-amino β-hydroxy acid

Subtopic:  Isomers & Reaction Mechanism |
 55%
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Which structural unit is possessed by aldehyde and not ketone?

(1) α-H-atom

(2) H-atom and carbonyl group

(3) OH and carbonyl group

(4) None of the above

Subtopic:  Isomers & Reaction Mechanism |
 62%
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A compound A has molecular formula C2Cl3OH. It reduces Fehling's solution and on oxidatioin gives a monocarboxylic acid B. A is obtained by action of Cl2 on ethyl alcohol. A is:

(1) chloral

(2) CHCl3

(3) CH3Cl

(4) chloro acetic acid

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 66%
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Carbonyl compounds when treated with sodium bisulphite solution generally a crystalline sodium bisulphite addition product is formed but which of the following carbonyl compound not forms crystalline addition product?

(1) HCHO

(2) CH3CHO

(3) CH3COCH3

(4) C2H5COC2H5

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 51%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The reaction; 2 |       COOHCOOH OH- |       CH2OHCOOH + |       COONaCOOH is:

(1) crosses Cannizzaro's reaction

(2) intermolecular Cannizzaro's reaction

(3) intramolecular Cannizzaro's reaction

(4) Neither of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 58%
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Which will form two oximes with NH2OH?

(1) CH3COCH3

(2) CH3CH2COCH3

(3) CH3CH2COCH2CH3

(4) 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 60%
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The term hypnone is used for:

(1) benzophenone

(2) acetophenone

(3) acetaldehyde

(4) none of these

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 65%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Collin's reageant causes the conversion: 

(1) >CO >CHOH

(2) >CHO -COOH

(3) >CHOH >CO

(4) >CHOH -COOH

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 52%
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This polymer is obtained when acetone is saturated with hydrogen chloride gas. Polymer is:

(1) phorone

(2) formose

(3) diacetonyl alcohol

(4) mesityl oxide

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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C6H5CHO on reacting with Cl2 gives:

(1) C6H5CHCl2

(2) C6H5COOH

(3) C6H5CH2OH

(4) C6H5COCl

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 61%
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NEET 2023 - Target Batch - Aryan Raj Singh
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