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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.
Nomenclature of special compounds Unbranched assemblies that involve two or more identical hydrocarbon units joined via a single bond are named by placing a appropriate numeri
give the melting temperature values of group 2 elements
Calculate equivalent weight of 99.22% purity of hexamethylene diisocyanate (HDI)?
laws of chemical combination on report
how it carries in a reaction?
After the treatment of A with concentrated H 2 SO 4 and acetonitrile under thermodynamic conditions, only E formed that was subsequently hydrolyzed to B. Draw the structure of
Till 20elememts write the no of electrons in outermost shell.if less than 4 then this is the valency otherwise subtract from 8
What is bayer''s sttains theory
what is hypercongujative effect
SULFUR, SELENIUM AND TELLURIUM The elements known commonly as the chalcogens are in the same group (16) as oxygen. They form some compounds same to those of oxygen, but show m
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