List of top Chemistry Questions asked in JEE Main

Find product P of the following reaction-

Which of the following is the correct structure for the given IUPAC name?
3-Methylpent-2-enal

Consider the following sequence of reactions:

Select the option with correct A & B respectively.

How many of the following vitamins are stored in Human Body?
A, B, C, D, E, K?

Find out charge (in C) required for electrolysis of \(1\) mole of \(H_2O\) to produce \(O_2\) on one of the electrodes. \((F = 96500 \;C)\)

How many of the following compounds have zero dipole moment ?
\(NH_3, H_2O, HF, CO_2, SO_2, BF_3, CH_4\)

Calculate the Molarity of a Solution having density = \(1.5\) \(g/ml\). \(\%(w/w)\) of Solute is \(36\%\) and Molecular weight of Solute is \(36\) \(g/mol\)

Which of the following sets of elements can be detected by Lassaigne's Test ?

In Kjeldahl's method for estimation of nitrogen, \(CuSO_4\) acts as

Alkaline KMnO4 Oxidised iodide to a particular product (A). Determine the oxidation state of iodine in the compound (A).

A container contains 1g H₂ gas and 1g O₂ gas. What is the ratio of partial pressure of H₂ and O₂ (PH₂/PO₂)?

Half life of a first order reaction is \(36\;hr\). Find out time (in hour) required for concentration of reactant to get reduced by \(90\%\).

The ratio of magnitude of potential energy and kinetic energy for \(5^{th}\) excited state of hydrogen atom is

What is the group number of unununnium?

Which of the following have a trigonal bipyramidal shape?
\(PF_5, PBr_5, [PtCl_4], SF_6, BF_3, BrF_5, PCl_5, [Fe(CO)_5]\)

In case of isoelectronic species the size of \(F^-\), \(Na\) and \(Na^+\) is affected by:

Oxidation state of Fe(iron) in complex formed in brown ring test

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

Color of \(Pbl_2\)

Which of the following compounds has intramolecular hydrogen bonding in it?

Which of the following compounds have colour due to d-d transition?

Which of the following has the highest 3rd ionization energy?

Which of the following compounds in 3d series does not show +3 oxidation state?

Consider the following two statements 
Statement I: In \(p\) and \(d\) block both metals and non - metals are present 
Statement II: Electronegativity and ionisation enthalpy of metals is greater than non - metals

Number of radial nodes present in 3p are