The compound that does not give an iodoform test is:

1. 3-Pentanone

2.  2-Pentanone

3.  Ethanol

4.  Ethanal

Subtopic:  Name Reaction |
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A molecule among the following that does not give Claisen condensation reaction is:

1.  CH3COOC2H5

2. C6H5CH2COOC2H5 

3. C6H5COOC2H5

4.  None of the above

Subtopic:  Name Reaction |
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Ethylbenzene is obtained from phenyl methyl ketone by using:

1. Zn–Hg+HCl

2. LiAlH4

3. KMnO4

4. None of the above

Subtopic:  Name Reaction |
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Acetaldehyde reacts with semicarbazide to yield the following as a product:

1. \( {CH_3CH=NHNH_2} ~\)
2. \({CH_3CH=NCONHNH_2}~~~\)
3. \({CH_3CH=NNH-CO-NH_2}~~~~~\)
4.  
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Cyanohydrin of which of the following compounds on hydrolysis gives an optically active product:

1. HCHO

2. CH3CHO

3. CH3COCH3

4. All of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Clemmensen reduction reaction is:

1.  
2. \(C_6H_5-CO-CH_3 + NH_2NH_2 \xrightarrow{C_2H_5ONa}\\ C_6H_5CH_2CH_3\)
3. \(CH_3COCH_3 + 4HI \xrightarrow{\text{Red. P}} CH_3CH_2CH_3\)
4. All of the above
Subtopic:  Name Reaction |
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Ethyl benzoate can be prepared from benzoic acid by using:

1. Propyl alcohol

2. Ethyl alcohol and dry HCl

3. Ethyl chloride

4. Sodium ethoxide

Subtopic:  Carboxylic Acids: Preparation & Properties |
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RCHO and NH2NH2 react with each other in an acidic medium. The product obtained is:

1. RCON3

2. RCH=NH

3. RCH2NH2

4. RCH=NNH2

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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Reduction by LiAlH4 of hydrolyzed product of an ester gives:

1. Two alcohols

2. Two aldehyde

3. One acid and one alcohol

4. Two acids

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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Intermediates formed during the reaction of RCNH2
   ||
   O with Br2 and KOH are:

1. RNHCOBr and RNCO

2. RCONHBr and RNCO

3. RNH-Br and RCONHBr 

4. RCONBr2

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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