List of top Chemistry Questions asked in JEE Main

Which of the following molecule is an acidic oxide?

Number of π bonds present in product B is:

In an atom, how many electrons can have
(i) n = 4 (ii) m1 =1 (iii) ms = ½

How many of the following have zero dipole moment $H_2S, CH_4, NH_3, BF_3, SO_2, NF_3$

Consider the following reaction: The product is

Find out value of $C_p/C_y$ for an ideal gas undergoing reversible adiabatic process for which $P ∝ T^3$ is given

Find out E cell of the given cell M | M²⁺ | | x^2-|x.|
Eº_M²⁺_{I M} = 0.34 V
E°_x|x^2- = 0.46 V

For a certain reaction, ΔH_r is 400 kJ/mol and ΔS=0.2 kJ/mol K. Above what minimum temperature in Kelvin, the reaction becomes spontaneous.

Among the following anions, identify the anion which gives pale yellow precipitate with aq. AgNO₃. The precipitate is partially soluble in aq. NH₄OH solution.

IUPAC name of complex compound [Pt(Br)₂(PPh₃)₂].

Consider following statements.
S1: IUPAC name is 4-chloro-1,3-dinitrobenzene
S2: IUPAC name is 2-methylaniline

Find among the spin only magnetic moment (nearest integer) of M in MO₄^2-, M being the atom having least atomic radii among Sc, Ti, V, Cr, Mn, Zn.

A solution contains 100 g water and 10 g of AB₂, The boiling of the solution was found to be 100.52% The degree of dissociation of AB₂ is: 
[MW of AB = 200 gm/mol ; K_b = 0.52 Kkg/mol

Which of the following compounds will not give Hinsberg's test

Find the mass (in g) of O₂ required for the combustion of 900 g of glucose.

Find out the magnitude of work done on the gas when 1 mole of an ideal gas undergoes compression from 9 liter to 1 liter through a reversible isothermal process. (in Joule) (Nearest integer)

Consider the given reaction:
Cr₂O₇^2- ⥨ CrO₄^2-
Above reaction shifts in forward direction in

If de- Broglie wavelength of electron is equal to de- Broglie wavelength of proton, then what is the relation between their kinetic energy

Consider the following compound:

What is the IUPAC nomenclature of the compound?

The total number of compounds having Bond order 2 among the following are: F₂, N₂, Ne₂, O₂, Li₂, Be₂, C₂

Which of the following are aromatic compounds?

Which of the following is correct?

In the test for phosphorus using ammonium molybdate, yellow precipitate of compound (X) is obtained. What is the oxidation state of molybdenum in (X)?

How many carbon atoms are there in a molecule of tyrosine?

Molecular orbital σ* represents: