JEE Advanced 2022 Questions
Candidates can check some of the questions asked in the JEE Advanced 2022 exam as mentioned below.
Q.1: In a study about a pandemic, data of 900 persons was collected. It was found that
- 190 persons had symptoms of fever,
- 220 persons had symptoms of cough,
- 220 persons had symptoms of breathing problem,
- 330 persons had symptoms of fever or cough or both,
- 350 persons had symptoms of cough or breathing problem or both,
- 340 persons had symptoms of fever or breathing problem or both,
- 30 persons had all three symptoms (fever, cough and breathing problem).
If a person is chosen randomly from these 900 persons, then the probability that the person has at most one symptom is _____________.
Q.2:
Q.3: Dissolving 1.24 g of white phosphorous in boiling NaOH solution in an inert atmosphere gives a gas Q. The amount of CuSO4 (in g) required to completely consume the gas Q is _______.
[Given: Atomic mass of H = 1, O = 16, Na = 23, P = 31, S = 32, Cu = 63]
Q.4:
Q.5: The treatment of galena with HNO3 produces a gas that is
(A) paramagnetic
(B) bent in geometry
(C) an acidic oxide
(D) colorless
Q.6:
Q.7: Consider 4 boxes, where each box contains 3 red balls and 2 blue balls. Assume that all 20 balls are distinct. In how many different ways can 10 balls be chosen from these 4 boxes so that from each box at least one red ball and one blue ball are chosen?
(A) 21816
(B) 85536
(C) 12096
(D) 156816
Q.8:
Q.9: An aqueous solution is prepared by dissolving 0.1 mol of an ionic salt in 1.8 kg of water at 35 ยบC. The salt remains 90% dissociated in the solution. The vapour pressure of the solution is 59.724 mm of Hg. Vapor pressure of water at 35 ยบC is 60.000 mm of Hg. The number of ions present per formula unit of the ionic salt is _______.
Q.10:
Q.11: Thermal decomposition of AgNO3 produces two paramagnetic gases. The total number of electrons present in the antibonding molecular orbitals of the gas that has the higher number of unpaired electrons is _______.
