A compound is treated with NaNH2 to give sodium salt. Identify the compound.                      

1. C2H2                  2. C6H6

3. C2H6                  4. C2H4

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

 +(CH3)3COH X

The product X in the above reaction is -

1.            
2.        
3.           

4.  

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The reaction of toluene with Cl2 in the presence of FeCl3 gives 'X' and reaction in presence of presence of light gives 'Y'. Thus 'X' and 'Y' are                                            

1. X= benzal chloride, Y=o-chlorotoluene

2. X=m-chlorotoluene, Y=p-chlorotoluene

3. X=o and p-chlorotoluene, Y= trichloromethyl benzene

4. X= benzyl hloride, Y=m-chlorotoluene

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

In Friedel-Craft's synthesis of toluene, the reactants in addition to anhydrous AlCl3 are           

1. C6H5Cl + CH4

2. C6H5Cl + CH3Cl

3. C6H6 + CH4

4. C6H6 + CH3Cl

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 79%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

3-Hexyne can be converted to trans-3-Hexene by the action of:

1. H2 - Pd/ BaSO4                       

2. Li-Liq. NH3

3. H2 - Pt O2                               

4. NaBH4

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 78%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

A compound having the shortest carbon-carbon bond length among the following is :

1. Benzene                                 

2. Ethene

3. Ethyne                                   

4. Ethane

Subtopic:  Aliphatic Hydrocarbon- Physical Properties |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Reaction of HBr with propene in the presence of peroxide gives

1. iso-propyl bromide

2. 3-bromo propane

3. allyl bromide

4. n-propyl bromide

Subtopic:  Aliphatic Hydrocarbon - Methods of Preparation |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The reaction of toluene with Cl2 in the presence of FeCl3 gives 'X' and reaction in presence of light gives 'Y'. Thus, 'X' and  'Y' are

1. X = benzal chloride, Y= o-chlorotoluene

2. X = m-chlorotoluene, Y= p-chlorotoluene

3. X = o and p-chlorotoluene, Y = trichloromethyl benzene

4. X = benzal chloride, Y = m-chlorotoluene

Subtopic:  Aromatic Hydrocarbons - Reactions & Mechanism |
 78%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

In the reaction, C6H5CH3OxidationNaOHBSoda lime

the product C is:

1. C6H5OH 

2. C6H6

3. C6H5COONa

4. C6H5ONa

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 73%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The most suitable reagent among the following that is used to distinguish compound (III) from the rest of the compounds is -

I. CH3-CC-CH3

II. CH3-CH2-CH2-CH3

III. CH3-CH2-CCH

IV. CH3-CH=CH2

1. Br2/CCl4 2. Br2/CH3COOH
3. Alk.KMnO4 4. Ammoniacal  AgNO3
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh