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12th August 2014, 11:51 AM
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Join Date: Apr 2013
Re: IIST UG entrance exam model question papers for Chemistry

As per your request here I am sharing the IIST UG entrance exam model question papers for Chemistry:

Among the following molecules, which has the maximum lattice energy?
Choice A KBr
Choice B NaF
Choice C NaCl
Choice D LiF

Intramolecular hydrogen bonds occur in
Choice A Paranitrophenol
Choice B The enol form of acetylacetone
Choice C Salicylic acid
Choice D 2-chlorophenol

If the voltage across the electrode is 1 V, then c(λ0+ + λo-) represents the
Choice A Conductance
Choice B current
Choice C Molar conductance
Choice D Ionic mobility

The fusion of chlorobenzene with solid NaOH gives
Choice A Benzene
Choice B Phenol
Choice C No reaction
Choice D Benzoic acid

Which of the following yields one monosubstituted chloroalkane upon chlorination?
Choice A Cyclopentane
Choice B n-Butane
Choice C Propane
Choice D Isobutane

XeO2F2 contains
Choice A One π-bond, and the remaining six electron pairs form an octahedron with one position occupied by a lone pair
Choice B Two π-bonds, and the remaining five electron pairs form a trigonal bipyramid with one equatorial position occupied by a lone pair
Choice C Four π-bonds and two O-bonds
Choice D Three π-bonds, and the remaining four electron pairs form a trigonal bipyramid with two equatorial positions occupied by a lone pair


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