Consider the following reaction:

Product (D) will be :

1. 2.
3. 4.

Subtopic:  Isomers & Reaction Mechanism |
 53%
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Match the compounds given in List -I with their characteristic reactions given in List -II. Select the correct option.

List – I
(Compounds)
List – II (Reactions)
(a) CH3CH2CH2CH2NH2 (i) Alkaline hydrolysis
(b) CH3C≡CH (ii) With KOH (alcohol) and CHCl3 produce a bad smell.
(c) CH3CH2COOCH3 (iii) Gives white ppt. with ammoniacal AgNO3
(d) CH3CH(OH)CH3 (iv) With Lucas' reagent cloudiness appears after 5 minutes.

Options:

(a) (b) (c) (d)
1. (iii) (ii) (i) (iv)
2. (ii) (iii) (i) (iv)
3. (iv) (ii) (iii) (i)
4. (ii) (i) (iv) (iii)
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
 77%
From NCERT
AIPMT - 2010
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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 |
 67%
From NCERT
AIPMT - 1999
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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 |
 84%
From NCERT
AIPMT - 2003
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The most reactive compound among the following toward nucleophilic addition reaction is:

1. 2.
3. 4.
Subtopic:  Isomers & Reaction Mechanism |
 70%
From NCERT
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In the above reaction, the structure of ‘A’ and the type of isomerism shown in the final product are, respectively,: 

1. Prop-1-en-2-ol and Metamerism
2. Prop-1-en-1-ol and Tautomerism
3. Prop-2-en-2-ol and Geometrical isomerism
4. Prop-1-en-2-ol and Tautomerism

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 81%
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Match the acids given in Column I with their correct IUPAC names given in Column II and mark the appropriate option.

Column I
(Acids)
Column I
(IUPAC names)
(i) Phthalic acid (a) Hexane-1,6-dioic acid
(ii) Oxalic acid (b) Benzene-1,2-dicarboxylic acid
(iii) Succinic acid (c) Pentane-1,5-dioic acid
(iv) Adipic acid (d) Butane-1,4-dioic acid
(v) Glutaric acid (e) Ethane-1,2-dioic acid
 

1. (i) — (a), (ii) — (b), (iii) — (c), (iv) — (d), (v) — (e)

2. (i) — (b), (ii) — (e), (iii) — (d), (iv) — (a), (v) — (c)

3. (i) — (b), (ii) — (a), (iii) — (d), (iv) — (e), (v) — (c)

4. (i) — (a), (ii) — (e), (iii) — (c), (iv) — (b), (v) — (d)

Subtopic:  Carboxylic Acids: Preparation & Properties |
 87%
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Assertion (A): Carboxylic acids are more acidic than phenols.
Reason (R): Phenols are ortho and para-directing.
 
1.  Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 83%
From NCERT
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Consider the following reaction:

The number of sp2 hybridized carbons in the compound 'B' are: 
1.  6 
2.  7 
3.  8 
4.  5
Subtopic:  Carboxylic Acids: Preparation & Properties |
 65%
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The carboxylic acid among the following that can give the Hell Volhard Zelinsky (HVZ) reaction is:

1. HCOOH 
2. 2,2-Dimethyl propanoic acid 
3. Benzoic acid 
4. Propanoic acid 
Subtopic:  Name Reaction |
 80%
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