List of top Questions asked in JEE Main

Match List-I with List-II :

is reached with regents is List-I to from products in List-II.
List-I (Reagent) List-II (Products)
AI
BHBF4 \(\triangle\)II
CCu, HCIIII
DCuCN/ KCNIV
Choose the correct answer from the options given below :
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 :

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 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.
Be(OH)2 reacts with Sr(OH)2 to yield an ionic salt. Choose the incorrect option related to this reaction from the following:
The mismatched combinations are
A. Chlorophyll - Co 
B. Water hardness - EDTA 
C. Photography - [Ag(CN)2]- 
D. Wilkinson catalyst - [(Ph3P)3 RhCl]  
E. Chelating ligand-D- Penicillamine
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
2-Methyl propyl bromide reacts with C2H5O- and gives 'A' whereas on reaction with C2H5OH it gives 'B'. The mechanism followed in these reactions and the products 'A' and 'B' respectively are
Left hand side and right hand side rings are named as 'A' and 'B'
In the above reaction. Left hand side and right hand side rings are named as 'A' and 'B' respectively. They undergo ring expansion. The correct statement for this process is:
In the reaction given below ‘A’ is
In the reaction given below ‘B’ is:
Match the following
Column-AColumn-B
 Nylon 6Natural Rubber 
Vulcanized RubberCross Linked 
cis-1,4-polyisopreneCaprolactam 
PolychloropreneNeoprene.

Choose the correct answer from option given below

D-(+)- Glyceraldehyde  
The two products formed in above reaction are
Match List I with List II

List I 

Element detected

 

 List II 

Reagent used/ Product formed

ANitrogenINa2[Fe(CN)5 NO]
BSulphur IIAgNO3
CPhosphorousIIIFe4[Fe(CN)6]3
DHalogenIV(NH4)2 MoO4 

Choose the correct answer from the options given below:
 

The major product formed in the following reaction is
the major product A and B from the the following reaction are
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:
Products The two products formed in above reaction are
Products The two products formed in above reaction are
In the following reaction
In the following reaction A is
A is
A in the above reaction is: me ch3 OET A major products
A in the above reaction is:
The major products ‘P’ formed in the following sequence of reaction is