An organic compound C7H8O is neither soluble in NaOH nor gives blue colour with FeCl3, is:

(a) C6H5.CH2OH                 (b) C6H4<OHCH3

(c) C6H5.OCH3                   (d) none of these

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The electrophile involved in the above reaction is:
1. dichloromethyl cation (CHCl2)
2. dichlorocarbene (:CCl2)
3. trichloromethyl anion (CCl3)
4. formyl cation (CHO)

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which of the following reagents may be used to distinguish between phenol and benzoic acid?

(a) Aqueous NaOH

(b) Tollens reagent

(c) Molisch reagent

(d) Neutral FeCl3

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


In the given transformation, which of the following is the most appropriate reagent ?

(a) Zn-Hg/HCl

(b) Na, Liq. NH3

(c) NaBH4

(d) NH2NH2,OH

 

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


An unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiary. Which alcohol reacts the fastest and by what mechanism:

1. secondary alcohol by SN2

2. tertiary alcohol by SN2

3. secondary alcohol by SN1

4. tertiary alcohol by SN1

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Sodium phenoxide when heated with CO2 under pressure at 125°C yields a product which on acetylation produces C.

The major product C would be :

(a) 

(b) 

(c) 

(d) 

Concept Questions :-

Phenols: Preparation, Properties, Acidic Nature of Phenol
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Propene,CH3-CH=CH2 can be converted into 1-propanol by oxidation.Which set of reagents among the following is ideal to effect the conversion? 

(a)H2O
(b)B2H6,H2O2
(c)H2SO4
(d)None of these

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


A compound with molecular formula C4H10O3 is converted by the action of acetyl chloride to a compound with molar mass 190. The original compound has: 

(a) one OH group
(b) two OH groups
(c) three OH groups
(d) no OH group

Concept Questions :-

Alcohols: Preparation, Physical and Chemical Properties
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


On boiling with concentrated hydrobromic acid phenyl ethyl ether yields:-

1. phenol and ethyl bromide
2. bromobenzene and ethanol
3. phenol and ethane
4. bromobenzene and ethane

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


The compound which does not react with sodium is:

(a) CH3CHOHCH3

(b) CH3 —O—CH3

(c) CH3COOH

(d) C2H5OH

Concept Questions :-

Ethers: Preparation, Physical & Chemical Properties, Uses
To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level: