Consider the following reactions:

 
The products P and Q, respectively, are:
1.
2.
3.
4.

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 71%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Consider the following molecule:


The correct order of the acidic strength of marked hydrogen is:
1. \(\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{C}} ~ \) 2. \(\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{C}} ~\)
3. \(\mathrm{H}_{\mathrm{A}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{C}}>\mathrm{H}_{\mathrm{D}} ~\) 4. \(\mathrm{H}_{\mathrm{C}}>\mathrm{H}_{\mathrm{B}}>\mathrm{H}_{\mathrm{D}}>\mathrm{H}_{\mathrm{A}} ~\)
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 63%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

The product formed in the reaction given below is: 

1.  2. 
3.  4. 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 51%
JEE
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Identify the correct statement on physical properties of (A) and (B):


1. Melting Point: A >B; Boiling Point: A>B
2. Melting Point: A <B; Boiling Point: A>B
3. Melting Point: A >B; Boiling Point: A<B
4. Melting Point: A <B; Boiling Point: A<B
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 63%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Which compound among the following is not categorized as benzenoid?
 
1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 79%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

In the presence of sunlight, benzene reacts with \(Cl_2\) to give product, 'X'. The number of hydrogens in 'X' is:

1. 5
2. 3
3. 6
4. 12
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 68%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Which of the following is not aromatic? 
1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 80%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Which among the following pairs of structures will give different products on ozonolysis?
(Consider that the double bonds in the structures are rigid and not delocalized)
1. 
2. 
3. 
4. 
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties | Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 79%
From NCERT
JEE
Please attempt this question first.
Hints

Identify the intermediate [A] in the following reaction:\((C_6H_5COO)_2\xrightarrow{~~~\Delta~~~}A\longrightarrow 2\dot{C}_6H_5+2CO_2 \)
1. 
2. 
3. 
4.  \(\mathrm{C}_6 \mathrm{H}_5-\dot{\mathrm{C}}=\mathrm{O}\)
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Identify the staggered conformation with maximum dihedral angle:
1.      2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 84%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.