List of top Chemistry Questions asked in JEE Main

Match List-I with List-II :
List-I List-II
ASaccharinIHigh potency sweetener
BAspartameIIFirst artificial sweetening agent
CAlitameIIIStable at cooking temperature
DSucraloseIVUnstable at cooking temperature

Choose the correct answer from the options given below :

In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Cr : 24, Mn : 25, Fe : 26)
The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba(OH)2 is ____ . (Assume complete neutralization)
Consider the following reaction that goes from A to B in three steps as shown
Consider the following reaction that goes from A to B in three steps as shown
below Choose the correct option:
The product , which is not obtained during the electrolysis of brine solution is ____ .
The group of chemicals used as pesticide is
In the following reaction 'B' is
In the following reaction 'B' is jee main 2023
Find out the major product from the following reaction.
major product from the following reaction jee main 2023
Given below are two statements :
Statement-I: Morphine is a narcotic analgesis. It helps in relieving pain without producing sleep. 
Statement-II: Morphine and its derivatives are obtained from opium poppy. 
In the light of the above statements, choose the correct answer from the options given below.
The energy of an electron in the first Bohr orbit of hydrogen atom is \(-2.18×10^{-18}J\). Its energy in the third Bohr orbit is ____.
Given below are two statements:
Statement I: Permutit process is more efficient compared to the synthetic resin method for the softening of water.
Statement II: Synthetic resin method results in the formation of soluble sodium salts.
In the light of the above statements, choose the most appropriate answer from the options given below:
Be(OH)2 reacts with Sr(OH)2 to yield an ionic salt. Choose the incorrect option related to this reaction from the following:
Among the following compounds, the one which shows highest dipole moment is
In the following reaction 'X' is
CH3 (CH2)4 CH3 \(\frac{A n h y . A l C l _3 }{HCL\triangle}X\) major product
In the reaction given below ‘A’ is
In the reaction given below ‘B’ is:
D-(+)- Glyceraldehyde  
The two products formed in above reaction are
The difference between electron gain enthalpies will be maximum between
the major product A and B from the the following reaction are
The bond order and magnetic property of acetylide ion are same as that of
Match List-I with List-II
 List-I-Complex  List-II-CFSE
A [Cu(NH3​)6​]2+I-0.6
B[Ti(H2​O)6​]3+II-2.0
C[Fe(CN)6​]3− III -1.2 
D [NiF6​]4-IV-0.4

Choose the correct answer from the options given below:
Match List-I with List-II
 List-I  List-II
ANitrogen oxides in airIEutrophication
BMethane in airIIpH of rain water becomes 5.6
CCarbon dioxideIIIGlobal warming
D Phosphate fertilisers in waterIVAcid rain

Choose the correct answer from the options given below:
Products The two products formed in above reaction are
Products The two products formed in above reaction are
A in the above reaction is: me ch3 OET A major products
A in the above reaction is:
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In the Ellingham diagram, a sharp change in slope of the line is observed for Mg → MgO at ~ 1120°C 
Reason R: There is a large change of entropy associated with the change of state. 
In the light of the above statements, choose the correct answer from the options given below :