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Mention one property which is caused due to the presence of F-centre in a solid.
a) Write down Nernst equation for single electrode potential.
Effect of substituent on acidic nature (a) An electron withdrawing substituent that is - I effect stabilizes the anion by dispersing the negative charge and hence increases the
Consider a process for the partial oxidation of benzene to produce maleic anhydride (C 4 H 4 O 4 ) using air. There are two reactions to be concerned with: The first partially oxid
what is the volume in cubic of a brain that is 4.77-10 to the -3 power.
A particle is in the two dimensional potential well (V(x,y) = ∞ for the outside of the well, V(x,y) = 0 for the inside of the well. (a) Starting with the shrodinger equation,
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
polonium crystallizes in a simple cubic unit cell with an edge length of 3.36A. 1. what is the volume of the unit cell? 2. what is the volume of atom in the unit cell? 3. what i
The diffraction of x-ray by a crystal gives 1st order ref at 14•12'' if lattice dist is 3.14 A• wht is the wavelength of x-ray
how law of crystallography helps in the study of crystal structure
Q. Isolation and purification of metals? metals as a group of elements have acquired a unique importance in the modern world. However, nature' does not generally offer us metal
Q. Show Electron Dot Diagrams for Covalent Bonds? Ans. Electron dot diagrams for covalent bonds In covalent bonds, atoms share electrons in such a manner that each atom
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