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Illustrate resonance structures that define the electronic structure of benzene.
Illustrate the structures of all conceivable disubstituted benzene isomers bearing two identical substituents (C6H4R2).
An alternative benzene structure was proposed by Staedeler. Nowadays it is known as the Dewar benzene structure:
does SnCl4 = Tin Chloride
how can we refine metal by zone refining process
which of the following is not a characteristic of plunck''s quantum theory of radiation? A) Radiation are associated with energy B) A body can emit less or more than a quantum of e
Define Degrees of freedom - phase rule and phase diagrams? Consider a system in an equilibrium state. In this state, the system has one or more phases; each phase contains one
In the study of mechanisms of various chemical reactions, Deuterium and Tritium are used as tracers.
whAT IS SOLID STATE
The ph of an aqueous solution of Ba(OH)2 is 10 if the ksp of Ba(OH)2 is 1*10^-9 then the concentration of Ba+2 ions in the aqueous solution is Ans) [OH(-)] = 10^(-4) 2.
The Basicity is 3 as there are 3 H atoms that can be displaced from compound.
Melting and freezing points: When a pure solid substance is heated through its melting point (melting temperature), the solid changes to a liquid. At the melting point equilibr
n-propyl acetate (bp 102 C) evaporates rapidly when exposed to air, but water(bp 100C)does not. Explain why
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