JEE Main questions
34568 published questions with worked solutions.
- Match List-I with List-II. List-I (Electronic configuration of neutral atom (where n = 2)): A. ns², B. ns²np¹, C. ns²np³, D....
- Find the correct statements related to group 15 hydrides. A. Reducing nature increases from NH₃ to BiH₃ B. Tendency to donate...
- Given below are two statements: Statement I: The number of pairs among [Ti⁴⁺, V²⁺], [V²⁺, Mn²⁺], [Mn²⁺, Fe³⁺] and [V²⁺, Cr²⁺] in...
- Given below are two statements for catalytic properties of transition metals. Statement I: First row transition metals which act...Not in JEE Main or NEET syllabus
- Given below are two statements: Statement I: Vapours of the liquid with higher boiling point condense before vapours of the...
- n-Butane on monochlorination under photochemical condition gives an optically active compound "P". "P" on further chlorination...
- Given below are two statements: Statement I: Due to increase in van der Waals forces, the order of boiling points is CH₃CH₂CH₂I >...
- Which statements are True? A. In Hoffmann bromamide degradation, 4 moles of NaOH and 2 moles of Br₂ are consumed per mole of an...
- The incorrect statement from the following with respect to carbohydrates is:
- Which of the following amino acid will give violet coloured complex with neutral ferric chloride solution?
- Number of paramagnetic complexes among the following is _______. [MnBr₄]²⁻, [NiCl₄]²⁻, [Ni(CN)₄]²⁻, [Ni(CO)₄], [CoF₆]³⁻,...
- 'x' is the product which is obtained from benzene by reacting it with carbon monoxide and hydrogen chloride in the presence of...
- Consider the reaction 2H₂S(g) + 3O₂(g) → 2H₂O(l) + 2SO₂(g). The magnitude of enthalpy change for the reaction in kJ mol⁻¹ is...
- Solid carbon, CaO and CaCO₃ are mixed and allowed to attain equilibrium at T K. CaCO₃(s) ⇌ CaO(s) + CO₂(g) K_p1 = 0.08 atm; C(s)...
- The temperature of a gas is −78°C and the average translational kinetic energy of its molecules is K. The temperature at which...
- Two cars are travelling towards each other at speed of 20 ms⁻¹ each. When the cars are 300 m apart, both the drivers apply brakes...
- The de-Broglie wavelength associated with a particle of mass m and energy E is h/ 2mE . The dimensional formula for Planck's...
- A satellite of 10³ kg mass is revolving in circular orbit of radius 2R. If 10^4R 6 J energy is supplied to the satellite, it...
- UV light of 4.13 eV is incident on a photosensitive metal surface having work function 3.13 eV. The maximum kinetic energy of...
- The energy released in the fusion of 2 kg of hydrogen deep in the sun is E_H and the energy released in the fission of 2 kg of...