Which of the following react with HBr at faster rate?

Subtopic:  Alcohols: Preparation & Properties |
 75%
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NEET 2023 - Target Batch - Aryan Raj Singh
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The reagent used in the conversion of the following reaction is:


 

1. \(\mathrm{NaBH}_4 \) 2. \(\mathrm{LiAlH}_4 \)
3. \(PCC \) 4. \(\mathrm{KMnO}_4\)
Subtopic:  Alcohols: Preparation & Properties |
 80%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

The product (A) in the below mentioned reaction is:
1.  2.
3.   4.  
 

Subtopic:  Alcohols: Preparation & Properties |
 63%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Identify the major product,

1.     

2.   

3.    

4. 

Subtopic:  Alcohols: Preparation & Properties |
 56%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

LiAlH4(A) Major; Product (A) is:   

(a) 

(b) 

(c) 

(d) 

Subtopic:  Alcohols: Preparation & Properties |
 58%
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NEET 2023 - Target Batch - Aryan Raj Singh
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H2CrO4(A) Product (A) is:   

(a) No reaction

(b) 

(c) 

(d) 

Subtopic:  Mechanism of Dehydration, Methanol & Ethanol |
 51%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Consider the following alcohols,

(I)  (II) 

(III) (IV) 

The order of decreasing reactivities of these alcohols towards nucleophilic substitution with HBr is:-

(a) III>I>IV>II

(b) III>I>II>IV

(c) I>III>IV>II

(d) I>III>II>IV

 

Subtopic:  Alcohols: Preparation & Properties | Mechanism of Dehydration, Methanol & Ethanol |
 75%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The structure of A in the below mentioned reaction is:

 

1.  2.
3. 4.
Subtopic:  Alcohols: Preparation & Properties |
 84%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

(2) H+, H2O   (1) EtLi (3.5 eq) (A) 65% Yield ; Chemist added extra 0.5 mole of Et-Li in above reaction to obtain product (A), which is ?

Subtopic:  Alcohols: Preparation & Properties |
 59%
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NEET 2023 - Target Batch - Aryan Raj Singh
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100°CAC2O(A); Product (A) of reaction is:

(a) 

(b) 

(c) 

(d) 

Subtopic:  Alcohols: Preparation & Properties |
 51%
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NEET 2023 - Target Batch - Aryan Raj Singh
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