A compound X with molecular formula C3H8O can be oxidised to a compound Y with the molecular formula C3H6O2. X is most likely to be:

1. primary alcohol                     

2. secondary alcohol

3. aldehyde                               

4. ketone

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


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

(a) phenoxide ion is bulkier than ethoxide

(b) phenoxide ion is stronger base than ethoxide

(c) phenoxide ion is stabilised through delocalisation

(d) phenoxide ion is less stable than ethoxide

To view Explanation, Please buy any of the course from below.
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:


Which one among the following is Williamson's synthesis?

(a) >CH3CH3C=Oconc. HClZn-HgCH3-CH2-CH3

(b) CH3-CHO-H2ODil. NaOHCH3-CH=CH-CHO

(c) C2H5I + C2H5ONaC2H5.O.C2H5 + NaI

(d) HCHONaOHHCOONa + CH3OH

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:


Which represents Riemer-Tiemann reaction?

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:


An organic compound A reacts with PCl5 to give B. The compound B with sodium metal gives n-butane. Thus, A and B are:

(a) C2H5OH and C2H5Cl

(b) C2H5Cl and C2H5ONa

(c) C3H7OH and CH3CH2CH2OCl

(d) C4H9OH and C4H9OCl

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:


Which is not an alcohol?

1. CH2=CHCH2OH                            2. CH2OHCH2OH

3. C6H5CH2OH                                 4. C6H5OH

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:


The boiling point of p-nitrophenol is higher than that of o-nitrophenol because                   

(a) NOgroup at p-position behaves in a different way from that at o-position

(b) intramolecular hydrogen bonding exists in p-nitrophenol

(c) there is intermolecular hydrogen bonding in p-nitrophenol

(d) p-nitrophenol has a higher molecular weight than o-nitrophenol

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 compund is oxidised to prepare methyl ethyl ketone?

(a) 2-propanol                               (b) 1-butanol

(c) 2-butanol                                 (d) tert-butyl alcohol

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:


Rectified spirit contains:

1. 75.0 % alcohol                           2. 85.5% alcohol

3. 95.6 % alcohol                           4. 100.0% alcohol

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:


Reaction  of  with RMgX leads to formation of                       

(a) RCHOHR                                (b) RCHOHCH3

(c) RCH2CH2OH                          (d) >RRCHCH2OH

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: