20080 marks23 questions
11 of its 23 questions are here. The rest have a figure or are still being checked, so for now they're only in the official PDF.
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Source: IIT-JEE 2008, Paper 1, Chemistry, published by JEE (Advanced). The official PDF
Hyperconjugation involves overlap of the following orbitals
Aqueous solution of Na₂S₂O₃ on reaction with Cl₂ gives
Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of
Under the same reaction conditions, initial concentration of 1.386 mol dm⁻³ of a substance becomes half in 40 seconds and 20 seconds through first order and zero order kinetics, respectively. Ratio (k₁/k₀) of the rate constants for first order (k₁) and zero order (k₀) of the reactions is
A solution of colourless salt H on boiling with excess NaOH produces a non-flammable gas. The gas evolution ceases after sometime. Upon addition of Zn dust to the same solution, the gas evolution restarts. The colourless salt(s) H is (are)
A gas described by van der Waals equation
STATEMENT-1 : Bromobenzene upon reaction with Br₂/Fe gives 1,4-dibromobenzene as the major product. and STATEMENT-2 : In bromobenzene, the inductive effect of the bromo group is more dominant than the mesomeric effect in directing the incoming electrophile.
STATEMENT-1 : Pb⁴⁺ compounds are stronger oxidizing agents than Sn⁴⁺ compounds. and STATEMENT-2 : The higher oxidation states for the group 14 elements are more stable for the heavier members of the group due to ‘inert pair effect’.