202460 marks17 questions
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Source: JEE (Advanced) 2024, Paper 2, Chemistry, published by JEE (Advanced). The official PDF
According to Bohr’s model, the highest kinetic energy is associated with the electron in the
In a metal deficient oxide sample, MₓY₂O₄ (M and Y are metals), M is present in both +2 and +3 oxidation states and Y is in +3 oxidation state. If the fraction of M²⁺ ions present in M is 1/3, the value of X is _____.
The species formed on fluorination of phosphorus pentachloride in a polar organic solvent are
An aqueous solution of hydrazine (N₂H₄) is electrochemically oxidized by O₂, thereby releasing chemical energy in the form of electrical energy. One of the products generated from the electrochemical reaction is N₂(g). Choose the correct statement(s) about the above process
The compound(s) having peroxide linkage is(are)
Vessel-1 contains w₂ g of a non-volatile solute X dissolved in w₁ g of water. Vessel-2 contains w₂ g of another non-volatile solute Y dissolved in w₁ g of water. Both the vessels are at the same temperature and pressure. The molar mass of X is 80% of that of Y. The van’t Hoff factor for X is 1.2 times of that of Y for their respective concentrations. The elevation of boiling point for solution in Vessel-1 is _____ % of the solution in Vessel-2.
Among [Co(CN)₄]⁴⁻, [Co(CO)₃(NO)], XeF₄, [PCl₄]⁺, [PdCl₄]²⁻, [ICl₄]⁻, [Cu(CN)₄]³⁻ and P₄ the total number of species with tetrahedral geometry is _____.
An organic compound P having molecular formula C₆H₆O₃ gives ferric chloride test and does not have intramolecular hydrogen bond. The compound P reacts with 3 equivalents of NH₂OH to produce oxime Q. Treatment of P with excess methyl iodide in the presence of KOH produces compound R as the major product. Reaction of R with excess iso-butylmagnesium bromide followed by treatment with H₃O⁺ gives compound S as the major product. The total number of methyl (−CH₃) group(s) in compound S is _____.