The structure of Hex-2-en-4-ynoic acid is

1.    2.  
3.   4. None of these
Subtopic:  Carboxylic Acids: Preparation & Properties |
 88%
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X + CH3COOH   →   Ester  +  H2O  
X is:

1. Alcohol 2. Pyridine
3. Secondary amine 4. Acid
Subtopic:  Carboxylic Acids: Preparation & Properties |
 87%
From NCERT
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Select the correct option based on the statements below:

Assertion (A): The geometry of formaldehyde molecule is planar.
Reason (R): Formaldehyde molecule contains sp2 hybridized carbon atom.
  
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. Both (A) and (R) are false.

Subtopic:  Carboxylic Acids: Preparation & Properties |
 85%
From NCERT
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The reaction that does not give benzoic acid as the major product is:

1.  \(\xrightarrow{K_2Cr_2O_7}\) 2. \(\xrightarrow[(ii)H_3O^+]{(i)NaOCl}\)
3. \(\xrightarrow{PCC}\) 4.  \(\xrightarrow{KMnO_4/H^+}\)

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
 84%
From NCERT
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The product of the below-mentioned reaction is:

1.  2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 84%
From NCERT
NEET - 2019
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In the below reaction, product 'P' is:

1.  2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 82%
From NCERT
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The correct statement among the following about HCOOH is:

1. It is a stronger acid than CH3COOH

2. It reduces Tollen’s reagent

3. It gives CO and H2O on heating with conc.H2SO4

4. All of the above

Subtopic:  Carboxylic Acids: Preparation & Properties |
 80%
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An acid that forms an anhydride (X) on heating and an acid imide (Y) on strong heating with ammonia is:

1.  2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 82%
From NCERT
NEET - 2020
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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 l
(Acids)
Column ll
(IUPAC names)
A. Phthalic acid  1. Hexane-1,6-dioic acid 
B. Glutaric acid  2. Benzene-1,2-dicarboxylic acid
C. Succinic acid  3. Pentane-1,5-dioic acid 
D. Adipic acid  4. Butane-1,4-dioic acid 


Codes

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 2 1
Subtopic:  Carboxylic Acids: Preparation & Properties |
 79%
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Which acid is least reactive to decarboxylation when heated?

1.  2.
3. 4.

Subtopic:  Carboxylic Acids: Preparation & Properties |
 72%
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