question_answer2) In a face centred cubic lattice, atom A occupies the corner positions and atom B occupies the face centre positions. If one atom of B is missing from one of the face centred points, the formula of the compound is
AIEEE Solved Paper-2011
question_answer5) The rate of a chemical reaction doubles for every \[{{10}^{o}}C\] rise of temperature. If the temperature is raised by \[{{50}^{o}}C\], the rate of the reaction increases by about
AIEEE Solved Paper-2011
question_answer7) The hybridisation of orbitals of N atom in \[N{{O}_{3}}^{-},N{{O}_{2}}^{+}\] and \[N{{H}_{4}}^{+}\] are respectively
AIEEE Solved Paper-2011
question_answer8) Ethylene glycol is used as an antifreeze in a cold climate. Mass of ethylene glycol which should be added to 4 kg of water to prevent it from freezing at \[-{{6}^{o}}C\] will be: (\[{{K}_{f}}\] for water \[=1.86\] K \[kgmo{{l}^{-1}}\] and molar mass of ethylene glycol \[=62kgmo{{l}^{-1}}\])
AIEEE Solved Paper-2011
question_answer11) Ozonolysis of an organic compound gives formaldehyde as one of the products. This confirms the presence of :
AIEEE Solved Paper-2011
question_answer12) The degree of dissociation \[(\alpha )\] of a weak electrolyte, \[{{A}_{x}}{{B}_{y}}\] is related to van't Hoff factor (i) by the expression:
AIEEE Solved Paper-2011
question_answer13) A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :
AIEEE Solved Paper-2011
question_answer15) The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of \[10\,d{{m}^{3}}\] at \[{{27}^{o}}C\] is to a volume of \[100\,d{{m}^{3}}\]
AIEEE Solved Paper-2011
question_answer17) Trichloroacetaldehyde was subject to Cannizzaro's reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another compound. The other compound is :
AIEEE Solved Paper-2011
question_answer19) Phenol is heated with a solution of mixture of KBr and \[KBr{{O}_{3}}\]. The major product obtained in the above reaction is:
AIEEE Solved Paper-2011
question_answer24) A vessel at 1000 K contains \[C{{O}_{2}}\] with a pressure of \[0.5\] atm. Some of the \[C{{O}_{2}}\] is converted into CO on the addition of graphite. If the total pressure at equilibrium is \[0.8\] atm, the value of K is.
AIEEE Solved Paper-2011
question_answer26) Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?
AIEEE Solved Paper-2011
question_answer27) A 5.2 molal aqueous solution of methyl alcohol, \[C{{H}_{3}}OH\] is supplied. What is the mole fraction of methyl alcohol in the solution?
AIEEE Solved Paper-2011