20090 marks20 questions
10 of its 20 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.
Sit this paper against the clock, marked by its official answers, or get a new paper like it. Sign in first; practising is part of Pro.
Source: IIT-JEE 2009, Paper 1, Chemistry, published by JEE (Advanced). The official PDF
Given that the abundances of isotopes ⁵⁴Fe, ⁵⁶Fe and ⁵⁷Fe are 5%, 90% and 5%, respectively, the atomic mass of Fe is
The term that corrects for the attractive forces present in a real gas in the van der Waals equation is
Among the electrolytes Na₂SO₄, CaCl₂, Al₂(SO₄)₃ and NH₄Cl, the most effective coagulating agent for Sb₂S₃ sol is
The Henry’s law constant for the solubility of N₂ gas in water at 298 K is 1.0 × 10⁵ atm. The mole fraction of N₂ in air is 0.8. The number of moles of N₂ from air dissolved in 10 moles of water at 298 K and 5 atm pressure is
The reaction of P₄ with X leads selectively to P₄O₆. The X is
Among cellulose, poly(vinyl chloride), nylon and natural rubber, the polymer in which the intermolecular force of attraction is weakest is
The correct statement(s) regarding defects in solids is(are)
The compound(s) that exhibit(s) geometrical isomerism is(are)
The compound(s) formed upon combustion of sodium metal in excess air is(are)
The correct statement(s) about the compound H₃C(HO)HC–CH=CH–CH(OH)CH₃ (X) is(are)