The correct order of increasing acidic strength is:

1. phenol < ethanol < chloroacetic acid < acetic acid
2. ethanol < phenol < chloroacetic acid < acetic acid
3. ethanol < phenol < acetic acid < chloroacetic acid
4. chloroacetic acid < acetic acid < phenol < ethanol

Subtopic:  Carboxylic Acids: Preparation & Properties |
 82%
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Compound can  be prepared by the reaction of-
1. Phenol and benzoic acid in the presence of NaOH
2. Phenol and benzoyl chloride in the presence of pyridine
3. Phenol and benzoyl chloride in the presence of ZnCl2
4. Phenol and benzaldehyde in the presence of palladium

Subtopic:  Carboxylic Acids: Preparation & Properties |
 54%
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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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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%
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