CH2Cl2Br2 W. Product W is:

1. 

2. 

3. 

4. 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 58%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The correct order of dehydration of compounds (i), (ii) and (iii) by conc. H2SO4 is:

(i) 
(ii) 
(iii)

1. (i) > (iii) > (ii)                                             

2. (i) > (ii) > (iii)

3. (ii) > (i) > (iii)                                             

4. (ii) > (iii) > (i)

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 62%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Product (x) will be:

(a) 

(b) 

(c) 

(d) 

Subtopic:  Alcohols: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In each of the following groups, which is the strongest (best) nucleophile ?

(I)(1)H3C-O-            (2)                   (3)H3C-S- in CH3OH

(II)(1)OH-                (2) H2O                        (3) NH2- in DMF

(III) (1)   (2)                  (3) CH3O- in DMSO

(a) I,3; II,3; III,2                                  (b) I,2; II,1; III,3

(c)  I,1; II,2; III,1                                 (d) I,3; II,1; III,3

Subtopic:  Alcohols: Preparation & Properties |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

(A) on heating isomerizes to (B). What is the structure of (B) ?

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 56%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following statements is true?

(1) CH3CH2S- is both a stronger base and more nucleophilic than CH3CH2O-

(2) CH3CH2S- is a stronger base but is less nucleophilic than CH3CH2O-

(3) CH3CH2S- is a weaker base but is more nucleophilic than CH3CH2O-

(4) CH3CH2S- is both a weaker base and less nucleophilic than CH3CH2O-

Subtopic:  Alcohols: Preparation & Properties |
 50%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

What sequence of reagents is required to accomplish the following transformation?

1. (1) NBS, ROOR (2) CH3CH2O- (3)2HBr (4) NH-2 (5) disiamylborane (6) H2O2,OH-

2. (1) Cl2hv (2) OH-, heat; (3) 2HCl (4) OH-,heat (5) HgSO4,H2SO4

3. (1) NBs,ROOR; OH-,DMSO

4. (1) Br2,hv (2) t-butoxide (3) BH3,THF (4) H2O2,OH-

Subtopic:  Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol |
 57%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Ether cannot be produced as a major product by the reaction of- 

1.  CH3CH2Cl + Ag2O(dry)  →  
 
2.  (CH3)3CCl + CH3CH2O-Na+  →
 
3.  
4. 

Subtopic:  Ethers: Preparation & Properties, Uses |
 62%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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NEET 2023 - Target Batch - Aryan Raj Singh

Predict the product when the given compound reacts with LiAlH4 :

1. 

2. 

3. 

4. 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 68%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh

The labeled -O18 will be:


1. H2O

2. Methyl benzoate

3. Both 1 and 2

4. Benzoic acid

Subtopic:  Alcohols: Preparation & Properties |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh