Which of the following will not form a yellow precipitate on heating with an alkaline solution of iodine?

1. CH3CH(OH)CH3                                  2. CH3CH2CH(OH)CH3

3. CH3OH                                               4. CH3CH2OH

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


n-propyl alcohol and iso-propyl alcohol can be chemically distinguished by which reagent 

1. PCl5

2. reduction

3. oxidation with potassium dichromate

4. ozonolysis

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Among the following sets of reactants which one produces anisole?                           

1. CH3CHO, RMgX

2. C6H5OH, NaOH, CH3I

3. C6H5OH, neutral FeCl3

4. C6H5-CH3, CH3COCl, AlCl3

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Which one is formed when sodium phenoxide is heated with ethyl iodide?              

1. Phenetole

2. Ethyl phenyl alcohol

3. Phenol

4. None of the above

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Identity Z in the sequence of reactions,                                         

CH3CH2CH=CH2 HBr/H2O2YC2H5ONaZ

(a) CH3-(CH2)3-O-CH2CH3

(b) (CH3)2CH2-O-CH2CH3

(c) CH3(CH2)4-O-CH3

(d) CH3CH2-CH(CH3)-O-CH2CH3

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Reaction of ethyl formate with excess of CH3MgI followed by hydrolysis gives

1. n-propyl alcohol                 

2. ethanol             

3. isopropyl alcohol             

4.  propanal

 

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


In a reaction, 

CH2=CH2acidHypochlorousMR

M=molecules, R=reagent. M and R are 

(a) CH3CH2Cl and NaOH

(b) CH2Cl. CH2OH and aq. NaHCO3

(c) CH3CH2OH and HCl

(d)  and heat

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


Lucas reagent is

1. conc. HCl and anhy. ZnCl2

2. conc. HNO3 and anhy. ZnCl2

3. conc. HCl and hydrous ZnCl2

4. conc. HNO3 and hydrous ZnCl2

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The compound which reacts fastest with Lucas reagent is (at room temperature)              

(a) butan-1-ol

(b) butan-2-ol

(c) 2-methyl propan-1-ol

(d) 2-methyl propan-2-ol

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level:


The ionisation constant of phenol is higher than that of ethanol because                

1. phenoxide ion is bulkier than ethoxide

2. phenoxide ion is stronger base than ethoxide

3. phenoxide ion is stabilised through delocalisation

4. phenoxide ion is less stable than ethoxide

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
To view Explanation, Please buy any of the course from below.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Difficulty Level: