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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.
what are the methods of expressing the mathematical concentration of solutions.?
A transition metal X has a configuration [Ar] 3d 4 in its +3 oxidation state. Its atomic number is: (1) 25 (2) 26 (3) 22 (4) 19 Ans: 25
Calculate the difference between the fugacity? The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity
Molecular formula of gaseous hydrocarbons (Eudiometry) Eudiometry is a direct method for calculation of molecular formula of gaseous hydrocarbons without ascertaining the pe
What is heat atomisatin? Solution : Heat of atomisation or enthalpy of atomisation is the energy required to dissociate one mole of a given substance into atoms.
write the structures of the major product (saytzeff elimination) when the following alcohols are dehydrated with hot,concentrated sulphuric acid. 1. 3-methyl-2-butanol 2. 2-pentano
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
fitration
how many electrons does sulfur donate
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