The correct order of acid character of the following compounds is: 

   (I)     (II)      (III)    (IV)
 
1. III > II > I > IV 2. IV > III > II > I
3. I > II > III > IV 4. II > III > IV > I
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Carboxylic Acids: Preparation & Properties |
 87%
Level 1: 80%+
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Assertion(A): Acetic acid is a weaker acid than formic acid.
Reason(R): +l effect of CH3 makes the acetic acid weaker.

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 a true statement but R is false.
4. Both A and R are false statements.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 92%
Level 1: 80%+
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What is the correct order of acidity among the following?
1. c > d > a > b 2. b > a > d > c
3. a > b > c > d 4. b > c > a > d
Subtopic:  Carboxylic Acids: Preparation & Properties |
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Level 1: 80%+
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The final product 'C' of the following sequence of reactions is:
    

1. \(\mathrm{CH_2-COOH\\ |\\ CH_2-COOH}\) 2. \(\mathrm{CH_2-Br\\ |\\ CH_2-Br}\)
3. \(\mathrm{CH_2-COOH\\ |\\ CH_2-CN}\) 4. \(\mathrm{CH_2-CN\\ |\\ CH_2-CN}\)
Subtopic:  Carboxylic Acids: Preparation & Properties |
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Match List-I with List-II.
List-I (Substrates of reactions) List II (Name of reactions)
(a)  (i) Hell-Volhard-
Zelinsky
reaction
(b)  (ii) Gattermann-
Koch
reaction
(c)  (iii) Haloform
reaction
(d) (iv) Esterification

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (i) (iv) (iii) (ii)
2. (ii) (iii) (iv) (i)
3. (iv) (i) (ii) (iii)
4. (iii) (ii) (i) (iv)
Subtopic:  Carboxylic Acids: Preparation & Properties |
 90%
Level 1: 80%+
NEET - 2021
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The reaction scheme below shows some reaction conversions of organic molecules.

     

Which is the correct combination of processes and compounds for this scheme?

1. process T: reduction; compound W: ester; compound X: amide
2. process T: reduction; compound W: ketone; compound X: nitrile
3. process T: oxidation; compound W: ester; compound X: amide
4. process T: reduction; compound W: ketone; compound X: amide
Subtopic:  Carboxylic Acids: Preparation & Properties |
 88%
Level 1: 80%+
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\(\mathrm{RMgX}+\mathrm{CO}_{2} \underset{\bf\text { ether }}{\stackrel{\bf\text { dry }}{\longrightarrow}} \mathrm{Y} \xrightarrow{{\mathrm{H}_{3} \mathrm{O}^{+}}}RCOOH\)
What is Y in the above reaction?
1. (RCOO)2Mg
2. RCOO-Mg+X
3. R3CO-Mg+X
4. RCOO-X+
Subtopic:  Carboxylic Acids: Preparation & Properties |
 87%
Level 1: 80%+
NEET - 2022
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The compound formed as a result of oxidation of propyl benzene by KMnO4 is –
1. benzophenone
2. acetophenone
3. benzoic acid
4. benzyl alcohol

Subtopic:  Carboxylic Acids: Preparation & Properties |
 86%
Level 1: 80%+
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Given the following acids:
A: Trichloroacetic acid
B: Trifluoroacetic acid
C: Acetic acid
D: Formic acid 
The correct order of decreasing acid strength of the above-given acids is:
1. B > A > D > C 
2. B > D > C > A 
3. A > B > C > D 
4. A > C > B > D
Subtopic:  Carboxylic Acids: Preparation & Properties |
 86%
Level 1: 80%+
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Benzoic acid gives benzene on being heated with X and phenol gives benzene on being heated with Y. Therefore, X and Y are respectively                                                              

1. Sodalime and copper

2. Zn dust and NaOH

3. Cu and sodalime

4. Sodalime and zinc dust

Subtopic:  Carboxylic Acids: Preparation & Properties |
 84%
Level 1: 80%+
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