List of top Chemistry Questions asked in JEE Main

An artificial radioactive isotope gave ${^{14}_{7}N}$ after two successive $\beta$ -particle emissions. The number of neutrons in the parent nucleus must be :

Number of ambidentate nucleophiles among the following is:
CN^-, SCN^- NO₂^-, CH₃COO^-, C₂0₄^2-, NH₂^-, SO₄^2-

Which of the following is the correct structure of L- Glucose

Which of the following has a maximum dipole moment?

If emf of hydrogen electrode at 25 ℃ is zero in pure water, then pressure of H₂ in bar is?

For which of the following elements, only one oxidation state is possible?

Among the following, decreasing order of basic strength will be:
OH^-, H^-, HCOO^-, CH₃COO^-, ^-OR
(I)     (II)    (III)         (IV)          (V)

Which of the following is the correct order of first ionization enthalpy?

 \(\xrightarrow[Conc.HCL]{Zn-Hg}\) Product?

How many of the following compounds are sp³ hybridized

Given below are two statements :
Statement-1: Aldol condensation is caused by acidity of a hydrogens.
Statement-2: Cross aldol is not possible between Ph-CHO and CH₃CHO
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following will not give Lassaigne's test?

Among the following, species that have one unpaired electron:

Decreasing order of the field strength of the following ligands will be: CO, CN^-, Cl^-, H₂O

Which of the following have a pyramidal shape ?

IUPAC name of Catechol is-

Which of the following statement is INCORRECT

Find out number of unpaired electrons in d-subshell for $[Co(H_2O)_6]^{ 3+}. $

The correct order of ionisation enthalpy for Li, Na, Cl, F is:

Consider the following statements:
Statement I: The number of emitted photoelectrons Increases with increase in frequency of incident light.
Statement II: Kinetic energy of emitted photoelectrons increases with increase in frequency of incident light

Which of the following is used as adsorbent in adsorption chromatography?

Which one of the following has the most negative (highest –ve) electron gain enthalpy?

What is the sum of number of ɑ and π bonds present in 2-oxo-hex-4-yne-oic acid ?

Arrange the following anions in the decreasing order of their stability.