The major product of the following reaction is:

1. 2.
3. 4. 

Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

The correct sequence of reagents used in the preparation of 4-Bromo-2-nitro-1-ethyl benzene from benzene is:

1. \(\small \mathrm{HNO_3 / H_2SO_4 , Br_2 / AlCl_3, CH_3COCl/AlCl_3, Zn-Hg/HCl} \)
2. \(\small \mathrm{Br_2/AlBr_3, CH_3COCl/AlCl_3, HNO_3/H_2SO_4, Zn/HCl } \)
3. \(\small \mathrm{CH_3COCl/AlCl_3, Br_2/AlBr_3, HNO_3/H_2SO_4, Zn/HCl} \)
4. \(\small \mathrm{CH_3COCl/AlCl_3, Zn-Hg/HCl, Br_2/AlBr_3, HNO_3/H_2SO_4} \)
Subtopic:  Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
 52%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Consider the following reaction, 

The major product in the above reaction is:

1. 2.
3.
4.

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 77%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The correct reagent that is used for the following reaction is: 

CH3CH2CH3?CH3CH2CHO

1. Manganese acetate

2. Copper at high temperature and pressure

3. Molybdenum oxide

4. Potassium permanganate

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 63%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Identify products A and B in the given reaction: 

1.
2.  
3.
4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 55%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

The trans-alkenes are formed by the reduction of alkynes with :

1. H2 – Pd/C, BaSO4

2. NaBH4

3. Na/liq. NH3

4. Sn – HCl

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 88%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The carbonyl compounds that cannot be prepared by addition of water on an alkyne in the presence of HgSO4 and H2SO4, among the following, is:

1.    2.
3. 4.
Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 55%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

A non-aromatic compound among the following is:

1. 2.
3. 4.
Subtopic:  Aromatic Hydrocarbons - Nomenclature, Isomerism & Huckel's Rule |
 76%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

Consider the following reactions :

The structure of A is-
1. 
2. 
3. 
4. 

Subtopic:  Alkanes, Alkenes and Alkynes - Chemical Properties |
 53%
From NCERT
JEE
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The major product obtained from the following reaction is -

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.