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Explain the following observations:
(i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition elements.
(ii) Transition elements and their compounds are generally found to be good catalysts in chemical reactions.
Alkyl halide on reaction with dry silver oxide
Factors effecting lattice energy of ionic compound
What is the advantage of using a flame photometer instrument designed to operate with an internal standard ?
The amount of energy released when one mole of bonds are formed among the corresponding gaseous atoms is known as Bond energy.
Voltammetry: You learnt about voltammetry. Several electrodes, especially the general microelectrodes used in voltammetry were discussed. Then we discussed the common voltamme
The electronic configuration (outermost) of Mn +2 ion (atomic number of Mn= 25 ) in its ground state is: (1) 3d 5 , 4s o (2) 3d 4 , 4s 1 (3
5Mol K+
Gold has a molar mass of 197g/mol. How many atoms are in the sample?Please give me procedure also. Ans) molecular wieght of gold is 197 g 1mole/g of molecule is occupies t
out of Kr and Rb+ ,which has greater size and why?
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