Among the following, which hydrolysis reaction occurs at the slowest rate:

1. 
2. 
3. 
4. 

Subtopic:  Mechanism of Reactions |
 66%
From NCERT
NEET - 2019
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Which of the following reactions cannot form new carbon-carbon bonds?

1. Reimer-Tiemann reaction

2. Cannizaro reaction

3. Wurtz reaction

4. Friedel-Crafts acylation

Subtopic:  Mechanism of Reactions |
 62%
From NCERT
AIPMT - 2010
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The correct order of increasing C-X bond reactivity toward nucleophiles among the following is:

I      II     
III \(\left(\mathrm{CH}_3\right)_3 \mathrm{C}-\mathrm{X}\) IV \(\left(\mathrm{CH}_3\right)_2 \mathrm{CH}-\mathrm{X}\)
 
1. I < II < IV < III 2. II < III < I < IV
3. IV < III < I < II 4. III < II < I < IV
Subtopic:  Introduction and Physical Properties | Chemical Properties |
 53%
From NCERT
AIPMT - 2010
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The end product (C) in the below-mentioned reaction is:
\(H_3C-Br\xrightarrow{\bf KCN }A\xrightarrow{ \bf H_3O^+~~}B\xrightarrow[\bf\text{Ether}]{~~LiAlH_4~~}C\)


1. Acetone
2. Methane
3. Acetaldehyde
4. Ethyl alcohol
Subtopic:  Mechanism of Reactions |
 60%
From NCERT
AIPMT - 2012
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When hydrolyzed with aqueous KOH, compounds that undergoes racemization are:

(i)  (ii) CH3CH2CH2Cl
(iii) (iv)
1. (i) and (ii) 2. (ii) and (iv)
3. (iv) only 4. (i) and (iv)

Subtopic:  Chemical Properties | Isomerism & Chirality |
 56%
From NCERT
AIPMT - 2014
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A few reactions are given below:

i. \(\small{\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{Br}+\mathrm{KOH} \rightarrow \mathrm{CH}_3 \mathrm{CH}=\mathrm{CH}_2+\mathrm{KBr}+\mathrm{H}_2 \mathrm{O}}\)
ii.
iii.
Select the reaction type for the above reactions:
(i) (ii) (iii)
1. Elimination Substitution Addition
2. Elimination Substitution Substitution
3. Substitution Addition Addition
4. Elimination Elimination Addition
Subtopic:  Chemical Properties |
 86%
From NCERT
NEET - 2016
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Consider the reaction,

This reaction will be the fastest in:

1. Ethanol

2. Methanol

3. N, N'-dimethylformamide (DMF)

4. Water

Subtopic:  Mechanism of Reactions | Chemical Properties |
 77%
From NCERT
NEET - 2016
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Compound among the following that can be used as
the halide component in the Friedel-Crafts reaction :

1. Chlorobenzene

2. Bromobenzene

3. Chloroethene

4. Isopropyl chloride

Subtopic:  Chemical Properties | Haloarenes: Directive Influence of Halogen |
 59%
From NCERT
NEET - 2016
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A compound that does not undergo SN1 reaction with OH- is:

1.  CH2=CH-CH2Cl 2. (CH3)3CCl 
3. 4.

Subtopic:  Chemical Properties |
From NCERT
NEET - 2020
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\(C_6H_5CH_2Br \xrightarrow[2.~H_3O^+] {1.Mg,Ether}~\mathrm X, \)
The product 'X' in the above reaction is:
1. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OH} \)
2. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_3 \)
3. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{C}_6 \mathrm{H}_5 \)
4. \(\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{OCH}_2 \mathrm{C}_6 \mathrm{H}_5\)

Subtopic:  Chemical Properties |
 59%
From NCERT
AIPMT - 2010
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