What type of hybridization explains the trigonal bipyramidal shape of SF4
State deBroglie principle?
Which point defect lowers the density of ionic crystals?
Why is Frenkel defect found in AgCl ?
Which type of crystals exhibit piezo-electricity?
Explain the term mole fraction?
Why is benzene insoluble in water but soluble in toluene?
Calculate molarity and molality of a 13% solution of sulphuric acid? Its density is 1.020 gram / cm3 [Atomic mass H=1, O=16, S=32a.m.u.]
KX crystals have FCC structure. What is the distance between K+and X_ in a KX crystals if the density of KX is 2.48 g/cm_3
With the help of molecular orbital diagram show that Ne2 can not exist as a stable molecule?
The ionization energy of sodium is 494.7 kj/mole calculate the wavelength of the electromagnetic radiation, which is just sufficient to ionize the Na atom.
An element of atomic mass 98.5 gm/mole occurs in FCC structure if its unit cell edge length is 500 pm and its density is 5.22 gm/cc what will be the value of Avogadro constant.
Explain the difference between the osmotic pressure and vapor pressure in a solution. Calculate the osmotic pressure and vapor pressure of 0.6% aqueous solution of non volatile, non electrolyte solute, urea at 25 C the vapor pressure of pure water at 25 C is 24 mm of Hg take densities to be 1 gm/ml and assume ideal solutions behavior