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 |
 59%
AIPMT - 2001
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In the reaction below, an asymmetric centre is generated. The acid obtained in the final product would be:

\(CH_3CHO+HCN\rightarrow CH_3CH(OH)CN\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\downarrow{\bf{H.OH}}\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~CH_3CH(OH)COOH~\)

1. 100 % R-isomer

2. 100% S-isomer

3. 50% R + 50% S-isomer

4. 20% R + 80% S-isomer

Subtopic:  Isomers & Reaction Mechanism | Carboxylic Acids: Preparation & Properties |
 84%
From NCERT
AIPMT - 2003
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In a set of the given reactions, acetic acid yielded a product C.

\(\mathrm{CH_3COOH+PCl_5\rightarrow A\xrightarrow[Anh.AlCl_3]{C_6H_6}B\xrightarrow[ether]{C_2H_5MgBr}C}\)
Product C would be:

1. CH3CH(OH)C2H5
2. CH3COC6H5
3. CH3CH(OH)C6H5
4.
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 82%
From NCERT
AIPMT - 2003
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When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are):

1.
2.
3.
4.
Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 81%
From NCERT
AIPMT - 2003
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A and B in the following reactions are:

1.
2.
3.
4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 73%
From NCERT
AIPMT - 2003
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Product 'P' in the above reaction is: 

1. 2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 86%
From NCERT
AIPMT - 2002
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In the following reaction, product 'P' is:

1. RCH2OH

2. RCOOH

3. RCHO

4. RCH3

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
 90%
From NCERT
AIPMT - 2002
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The product P is:

1. 2.
3. 4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 65%
From NCERT
AIPMT - 2002
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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 |
 90%
From NCERT
AIPMT - 1999
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Which one among the given options, can be oxidized to produce a carbonyl compound?

1. o-Nitrophenol

2. Aniline

3. 2-Methyl-2-hydroxypropane

4. 2-Hydroxy propane 

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 66%
From NCERT
AIPMT - 2004
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