The IUPAC name of the compound is :

1. 2,3 - Diemethylheptane

2. 3- Methyl -4- ethyloctane

3. 5-Ethyl -6-methyloctane

4. 4-Ethyl -3 - methyloctane.

Subtopic:  Nomenclature |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

In the reaction,

CH3CHO+HCNCH3CHOHCN

a chiral centre is produced. This product would be

1.  racemic mixture

2.  meso compound

3.  dextrorotatory

4.  laevorotatory

Subtopic:  Stereo Isomers |
 75%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The compound that contains only sp³ hybridized carbon atoms is:

1.  HCOOH

2.  NH22CO

3.  CH33COH

4.  CH3CHO

Subtopic:  Hybridisation & Structure of Carbon Compounds |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

How many distinct products can be formed from the monochlorination of 2-methylbutane, excluding optical isomers?

1. 2 2. 3
3. 4 4. 5
Subtopic:  Structural Isomers | Stereo Isomers |
 61%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

An organic molecule necessarily shows optical activity if it:

1.  Is non-superimposable on its mirror image.

2.  Is superimposable on its mirror image.

3.  Contains asymmetric carbon atoms.

4.  Is non-polar.

Subtopic:  Stereo Isomers |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The \(C - H\) bond distance is longer in - 

1. \(C_2H_2\) 2. \(C_2H_4\)
3. \(C_2H_6\) 4. \(C_2H_2Br_2\)
Subtopic:  Hybridisation & Structure of Carbon Compounds |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The number of structural isomers of C4H10O that are ethers is/are :

1.  1

2.  2

3.  3

4.  4 

Subtopic:  Structural Isomers |
 61%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following has a zero dipole moment?

1.  1-butene

2.  cis-2-butene

3.  trans-2-butene

4.  2 methyl-1-propene 

Subtopic:  Aromaticity & Polarity |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The total number of isomers of C4H8 are-

1. 8 2. 7
3. 6 4. 5
Subtopic:  Structural Isomers |
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

How many stereoisomers are there for tartaric acid?

1.  3

2.  4

3.  5

4.  0

Subtopic:  Stereo Isomers |
 52%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints