JEE Mains Chemistry Syllabus and number of questions asked in the last 3 years:
	
1.	Some Basic Concepts of Chemistry - 1 ques (2016), 2 ques (2014), and 2 ques (2015) 
2.	Atomic Structure - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
3.	Periodic Classification and Periodic Properties - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
4.	Chemical Bonding & Molecular Structure - 2 ques in (2016), no question (2015), and 2 ques (2014)
5.	States of Matter - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
6.	Equilibrium - 2 ques (2016), 2 ques (2015), and 2 ques (2014)
7.	Thermodynamics - 1 ques (2016), no question (2015), and 1 ques (2014)
8.	Solid State - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
9.	Solutions and Colligative Properties - 2 ques (2016), 1 ques (2015), and 1 ques (2014)
10.	Electrochemistry - 2 ques (2016), 1 ques (2015), and 4 ques (2014)
11.	Chemical Kinetics - 1 ques (2016), 1 ques  (2015), and 1 ques (2014)
12.	Nuclear Chemistry - 1 ques (2016), no question (2015), and no question (2014)
13.	Surface Chemistry - no question asked in last three years
14.	s-Block Elements - no question (2016), 2 ques (2015), and no question (2014)
15.	p-Block Elements- Ist  - 1 ques (2016), no question (2015), and no question (2014)
16.	p- Block Elements - IInd - 1 ques (2016), 3 ques (2015), and 2 ques (2014)
17.	Transition and Inner-Transition Elements - 1 ques (2016), 2 ques (2015), and 1 ques (2014)
18.	Coordination Compounds - 3 ques (2016), 2 ques (2015), and 1 ques (2014)
19.	Extraction of Metals - 1 ques (2016), 1 ques (2015), and no question (2014)
20.	Qualitative Analysis - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
21.	Organic Chemistry Basics - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
22.	Hydrocarbons - 1 ques (2016), 1 ques (2015), and no question (2014)
23.	Alkyl Halides - no question (2016), 1 ques in (2015), and no question (2014)
24.	Alcohol and Ethers - 3 ques (2016), no question (2015), and no question (2014)
25.	Aldehydes and Ketones - 2 ques (2016), no question (2015), and 1 ques (2014)
26.	Carboxylic Acids and Derivatives - no question (2016), no question (2015), and 1 ques (2014)
27.	Aliphatic Compounds Containing Nitrogen - 1 ques (2016), no question (2015), and no question (2014)
28.	Benzene and Alkyl Benzene - no question asked since last 3 years
29.	Aromatic Compounds Containing Nitrogen - 2 ques (2016), 1 ques (2015), and 2 ques (2014)
30.	Aryl Halides and Phenols - no question (2016), no question (2015), and 1 ques (2014)
31.	Aromatic Aldehydes, Ketones and Acids - no question (2016), 1 ques (2015), and no question (2014)
32.	Biomolecules and Chemistry in Everyday Life - 2 ques (2016), 3 ques (2015), and 2 ques (2014)
	
 
JEE Mains Chemistry Syllabus and number of questions asked in the last 3 years:
	
1.	Some Basic Concepts of Chemistry - 1 ques (2016), 2 ques (2014), and 2 ques (2015) 
2.	Atomic Structure - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
3.	Periodic Classification and Periodic Properties - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
4.	Chemical Bonding & Molecular Structure - 2 ques in (2016), no question (2015), and 2 ques (2014)
5.	States of Matter - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
6.	Equilibrium - 2 ques (2016), 2 ques (2015), and 2 ques (2014)
7.	Thermodynamics - 1 ques (2016), no question (2015), and 1 ques (2014)
8.	Solid State - 1 ques  (2016), 1 ques (2015), and 1 ques (2014)
9.	Solutions and Colligative Properties - 2 ques (2016), 1 ques (2015), and 1 ques (2014)
10.	Electrochemistry - 2 ques (2016), 1 ques (2015), and 4 ques (2014)
11.	Chemical Kinetics - 1 ques (2016), 1 ques  (2015), and 1 ques (2014)
12.	Nuclear Chemistry - 1 ques (2016), no question (2015), and no question (2014)
13.	Surface Chemistry - no question asked in last three years
14.	s-Block Elements - no question (2016), 2 ques (2015), and no question (2014)
15.	p-Block Elements- Ist  - 1 ques (2016), no question (2015), and no question (2014)
16.	p- Block Elements - IInd - 1 ques (2016), 3 ques (2015), and 2 ques (2014)
17.	Transition and Inner-Transition Elements - 1 ques (2016), 2 ques (2015), and 1 ques (2014)
18.	Coordination Compounds - 3 ques (2016), 2 ques (2015), and 1 ques (2014)
19.	Extraction of Metals - 1 ques (2016), 1 ques (2015), and no question (2014)
20.	Qualitative Analysis - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
21.	Organic Chemistry Basics - 1 ques (2016), 1 ques (2015), and 1 ques (2014)
22.	Hydrocarbons - 1 ques (2016), 1 ques (2015), and no question (2014)
23.	Alkyl Halides - no question (2016), 1 ques in (2015), and no question (2014)
24.	Alcohol and Ethers - 3 ques (2016), no question (2015), and no question (2014)
25.	Aldehydes and Ketones - 2 ques (2016), no question (2015), and 1 ques (2014)
26.	Carboxylic Acids and Derivatives - no question (2016), no question (2015), and 1 ques (2014)
27.	Aliphatic Compounds Containing Nitrogen - 1 ques (2016), no question (2015), and no question (2014)
28.	Benzene and Alkyl Benzene - no question asked since last 3 years
29.	Aromatic Compounds Containing Nitrogen - 2 ques (2016), 1 ques (2015), and 2 ques (2014)
30.	Aryl Halides and Phenols - no question (2016), no question (2015), and 1 ques (2014)
31.	Aromatic Aldehydes, Ketones and Acids - no question (2016), 1 ques (2015), and no question (2014)
32.	Biomolecules and Chemistry in Everyday Life - 2 ques (2016), 3 ques (2015), and 2 ques (2014)