The esters that get hydrolyzed most easily under alkaline conditions is?

1.
2.
3.
4.
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 67%
NEET - 2015
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Treatment of cyclopentanone with methyl lithium generates:

1. Cyclopentanonyl cation

2. Cyclopentanonyl radical

3. Cyclopentanonyl biradical

4. Cyclopentanonyl anion

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 51%
From NCERT
NEET - 2015
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An organic compound X having molecular formula C5H10O yields phenyl hydrazone and gives a negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. X could be:

1. Pentanal
2. 2-Pentanone
3. 3-Pentanone
4. n-Amyl alcohol
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 64%
From NCERT
NEET - 2015
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In the following reaction: 

\(\text {HC} \equiv \text {CH} \xrightarrow [Hg^{2+}] { H_2SO_4} P \)

Product 'P' will not give 
1. Tollen's reagent test 
2. Fehling's solution
3. Victor Meyer test 
4. Iodoform test 
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 65%
From NCERT
NEET - 2013
Please attempt this question first.
Hints

The correct order of decreasing acid strength of
trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C), and formic acid (D) is:

1. B > A > D > C

2. B > D > C > A

3. A > B > C > D

4. A > C > B >D

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 83%
From NCERT
AIPMT - 2012
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Consider the reaction:

RCHO + NH2NH2RCH =N-NH2

What sort of reaction is it?
1.  Free radical addition – elimination reaction
2. Electrophilic substitution-elimination reaction
3.  Nucleophilic addition – elimination reaction
4.  Electrophilic addition – elimination reaction

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 74%
From NCERT
AIPMT - 2012
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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 |
 75%
From NCERT
AIPMT - 2010
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A strong base can abstract an α-hydrogen from:

1. Alkene
2. Amine
3. Ketone
4. Alkane
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 70%
From NCERT
AIPMT - 2008
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Reduction of aldehydes and ketones into hydrocarbons using amalgam and conc. HCl is called:

1. Clemmensen reduction

2. Cope reduction

3. Dow reduction

4. Wolff-Kishner reduction

Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
 87%
From NCERT
AIPMT - 2007
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A compound with the molecular formula C5H10 that yields acetone on ozonolysis is:
1. 2-Methyl-2-butene
2. 2-Methyl-1-butene
3. Cyclopentane
4. 3-Methyl-1-butene

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 81%
From NCERT
AIPMT - 2007
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