List of top Chemistry Questions asked in JEE Main

Given below are two statements:
Statement I: The electronegativity of group 14 elements from Si to Pb gradually decreases.
Statement II: Group 14 contains non-metallic, metallic, as well as metalloid elements.
In the light of the above statements, choose the most appropriate from the options given below:

The mass of sodium acetate (CH₃COONa) required to prepare 250 mL of 0.35 M aqueous solution is g. (Molar mass of CH₃COONa is 82.02 g/mol)

Sugar which does not give reddish brown precipitate with Fehling‟s reagent is:

In which of the following compound central atom has +4 oxidation state?

Which of the following can not act as an oxidising agent?

Two nucleotides are joined together by a linkage known as:

Cyclohexene is _________ type of an organic compound.

Identify the following species in which \(d^2sp^3\) hybridization is shown by the central atom.

The interaction between π bond and lone pair of electrons present on an adjacent atom is responsible for

Energy difference between actual structure and its most stable resonating structure having least energy is called

The major product formed in the following reaction is-

In the following reactions, find the product A and B

Which structure of protein is intact after coagulation of egg white on boiling?

Given below are two statements:
Statement (I) : In the Lanthanoids, the formation of Ce⁺⁴ is favoured by its noble gas configuration.
Statement (II) : Ce⁺⁴ is a strong oxidant reverting to the common +3 state.
In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: 
Statement (I): p-nitrophenol is more acidic than m-nitrophenol and o-nitrophenol. 
Statement (II): Ethanol will give immediate turbidity with Lucas reagent. 
In the light of the above statements, choose the correct answer from the options given below:

Which structure of protein remains intact after coagulation of egg white on boiling?

Phenolic group can be identified by a positive

The electronic configuration of Neodymium (60) Nd is

The ascending order of acidity of –OH group in the following compounds is: 

Choose the correct answer from the options given below :

The molecular formula of second homologue in the homologous series of monocarboxylic acid is

Which of the following is strongest Bronsted base?

IUPAC name of the following compound (P) is:

The quantity which changes with temperature:

Choose the polar molecule from the following:

Appearance of blood red colour on treatment of the sodium fusion extract of an organic compound with FeSO₄ in presence of concentrated H₂SO₄ indicates the presence of element(s).