IIT-JEE 2004

Draw the structure of XeF4 and OSF4 according to VSEPR theory clearly indicating the state of hybridisation of the central atom and lone pair of electrons (if any) on the central atom.

Arrange the following :
In the decreasing order of the O - O bond length present in them
O2, KO2 and O2[AsF4]

For the given reactions, A + B \(\to\) Products, following data were obtained


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Find the equilibrium constant for the reaction,
In2+ + Cu2+ \(\to\) In3+ + Cu+ at 298 K given
\(E_{C{u^{2 + }}/C{u^ + }}^o\) = 0.15 V; \(E_{l{n^{2 + }}/l{n^ + }}^o\) = -0.40 V; \(E_{l{n^{3 + }}/l{n^ + }}^o\) = -0.42 V;

A compound AB has rock salt type structure. The formula weight of AB is 6.023 Y amu, and the closest A - B distance is Y1/3 nm, where Y is an arbitrary number
(a) Find the density of the lattice
(b) If the density of lattice is found to be ...

1.22 g of benzoic acid is dissolved in 100 g of acetone and 100 g of benzene separately. Boiling point of the solution in acetone increases by 0.17 oC, while that in the benzene increases by 0.13oC; Kb for acetone and benzene is 1.7 K kg m...

(a) The Schrodinger wave equation for hydrogen atom is
\($\psi = {1 \over {4\sqrt {2\pi } }}{\left( {{1 \over {{a_0}}}} \right)^{3/2}}\left( {2 - {{{r_0}} \over {{a_0}}}} \right){e^{ - {r_0}/{a_0}}}\)$
Where a0 is Bohr's radius. If the rad...

A ball of mass 100 g is moving with 100 ms-1. Find it's wavelength.