The pKa values of some of the acids are given below:

pKa -0.6 4.8 \(\overset{+}{N}H_4\) 9.4
pKa     HI -10.0     25 \(H_2S\) 7.0

The correct order of leaving tendency of their conjugate bases is-

1. 
2.
3.
4.

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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Among the following esters. form a pair of least reactive and most reactive ester towards hydrolysis in that order

      

1.  V. III

2.  VI, II

3.  I, IV

4.  I, V

Subtopic:  Isomers & Reaction Mechanism |
 64%
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The product which cannot be formed is:

1.
2.
3.
4.
Subtopic:  Isomers & Reaction Mechanism |
 67%
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The product formed in this reaction is

1.          2.  

3.           4.  

Subtopic:  Carboxylic Acids: Preparation & Properties |
 52%
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Reaction equilibrium will shift towards the right in:

1.  2.
3. 4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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1.             

2.  

3.       

4.  

Subtopic:  Isomers & Reaction Mechanism |
 61%
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The Wolf Kishner's reduction cannot be applied to:

1.  2.
3. 4.
Subtopic:  Name Reaction |
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The correct order of acidity of the following compounds is:

1. 1 > 2 > 3

2. 1 > 3 > 2

3. 3 > 1 > 2

4. 3 > 2 > 1

Subtopic:  Carboxylic Acids: Preparation & Properties |
 70%
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The reddish-brown precipitate formed in Fehling's test for aldehydes (RCHO) is due to the formation of the following compound :
1. \(\mathrm{Cu}\)
2. \(\mathrm{Cu}_2 \mathrm{O}\)
3. \(\mathrm{CuO}\)
4. \((\mathrm{RCOO})_2 \mathrm{Cu}\)

Subtopic:  Name Reaction |
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The major final product in the following reaction is

CH3CH2CN2H3O+1CH3MgBr

1.        2.  

3.       4.  

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 66%
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