Important Topics for NEET Chemistry
NEET chemistry syllabus can be divided into 3 parts i.e Organic, Inorganic, and Physical Chemistry. The weightage of questions asked from each section is almost the same every year.
NEET Chemistry Paper Analysis – 2023
Total Questions from Chemistry: 45 Questions
Total Questions from Class XI: 24 Questions
Total Questions from Class XII: 21 Questions
Difficulty Level of Questions:
20 Medium Difficult
18 were easy and 7 were difficult and tricky especially the chemical reaction related questions.
NEET Physical Chemistry: It’s the numerical section of NEET Chemistry.
NEET Organic Chemistry: From this section, you must focus on memorizing the names of various compounds that constitute reagents, subtracts, etc.
NEET Inorganic Chemistry: This section is considered the easiest section of NEET Chemistry.
NEET 2020 Chemistry – Chapter wise weightage
Based on the questions asked in previous years we have tabulated the weightage of sections or topics given to class XII and XII:
| Topics of Class XI | Number of expected questions | Topics of Class XII | Number of Expected questions |
|---|---|---|---|
| Basic concepts of Chemistry | 1% | Solid State | 2% |
| Structures of Atom | 2% | Solutions | 5% |
| Classification of Elements & Periodicity in Properties | 2% | Electrochemistry | 2% |
| Chemical Bonding and Molecular Structure | 5% | Chemical Kinetics | 3% |
| States of Matter: Gases and Liquids | 2% | Surface Chemistry | 2% |
| Thermodynamics | 8% | Isolation of Elements | 2% |
| Equilibrium | 6% | p-Block Elements | 5% |
| Redox Reactions | 3% | d- and f-Block Elements | 4% |
| s-Block Elements | 2% | Coordination Compounds | 9% |
| Some p-Block Elements | 2% | Haloalkanes and Haloarenes | 3% |
| Organic Chemistry: Basic Principles & Techniques | 4% | Alcohols, Phenols and Ethers | 4% |
| Hydrocarbons | 3% | Aldehydes, Ketones and Carboxylic Acids | 4% |
| Environmental Chemistry | 2% | Organic Compounds containing Nitrogen + Biomolecules | 2% + 3% |
| Hydrogen | – | Polymers + Chemistry in Everyday Life | 3% + 2% |
Important Topics based on all the 3 sections of chemistry are mentioned in the table below:
| Organic Chemistry | Inorganic Chemistry | Physical Chemistry |
|---|---|---|
| Amines | D Block Elements | Atomic Structure |
| Organic Compounds Containing Oxygen | Classification of Elements & Periodicity | Mole Concept & Stoichiometry |
| Environmental Chemistry | Chemical Bonding and Molecular Structure | Redox Reactions & Electrochemistry |
| Basic Principles of Organic Chemistry | Coordination Compounds | Thermochemistry & Thermodynamics |
| Biomolecules | P Block Elements | Equilibrium |
| Hydrocarbons and their substituents | Practical Chemistry | Surface Chemistry |
| Polymers | Hydrogen and S Block Elements | Nuclear Chemistry |
| F Block Elements | States of Matter & Solutions | Chemical Kinetics |
Sample Questions from NEET Chemistry
Question 1: The number of unpaired electrons in gaseous species of Mn3+, Cr3+ and V3+ respectively are:
- 4, 4 and 2
- 3, 3 and 2
- 4, 3 and 2
- 3, 3 and 3
Answer: (c) 4, 3 and 2
Question 2: Which one of the following is not an isotope of hydrogen?
- Deuterium
- Tritium
- Ortho hydrogen
- None of these
Answer: (c) Ortho hydrogen
Question 3: Oxygen can be converted into ozone by
- oxidation at high temperature
- catalytic oxidation
- oxidation under high pressure and temperature
- silent electric discharge
Answer: (d) silent electric discharge
Question 4: Which is the best-suited method for the separation of para and ortho-nitrophenols from 1:1 mixture?
(a) crystallisation
(b) chromatography
(c) sublimation
(d) steam distillation
Answer: (d) steam distillation
Question 5: What will be the value of ΔH, if the forward and reverse reactions have the same energy of activation?
(a) ΔH = ΔG = ΔS = 0
(b) ΔS = 0
(c) ΔG = 0
(d) ΔH = 0
Answer: (d) ΔH = 0
Question 6: Elements X and Y combine to form two compounds XY and X2Y. Find the atomic weight of X and Y, if the weight of 0.1 moles of XY is 10g and 0.05 moles of X2Y is 9g
(a) 30, 20
(b) 80, 20
(c) 60, 40
(d) 20, 30
Answer: (b) 80, 20
Question 7: Which one of the following is most acidic?
- Na2O
- MgO
- Al2O3
- CaO
Answer: (c) Al2O3
Question 8: Which of the following at ordinary temperature and pressure exists as a linear polymer due to extensive hydrogen bonding?
- H2O
- HCl
- HF
- NH3
Answer: (c) HF