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Non-benzenoid aromatics and Heterocyclic compounds
There are aromatic compounds that have structural units which are not same from benzenoid type and are termed as Non-benzenoid aromatics for illustration Tropolone, azulene etc.
(b) Heterocyclic compounds : Cyclic compounds consisting of one or more hetero atoms (for example O, N, S etc.) in the ring are known heterocyclic compounds.
phsiscal properties &chemical propertise
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
By who can sublimation be useful? How can it be useful?
a) Give a chemical test to distinguish between aniline and N-methyl aniline. Draw the structure of XeF2 molecule. b. Write the outer electronic configuration of Cr atom (Z =
process of metullergy.
Chain, nuclear or skeleton isomerism: This form of isomerism arises because of the difference in the nature of the carbon chain (that is straight or branched) which makes the
given: reciprocal linear dispersion= 2.5 nm/mm focal length = .30 m groove spacing = d = 833.3 nm wavelength = 400 nm
Vat dyes: These dyes are insoluble in water and cannot be helpful directly. These dyes on decline along with sodium hydrosulphite (NaHSO 3 ) in a vat make a soluble compound th
What are different applications in which piezoelectricity is used Applications- Piezoelectric materials serve as a source of ultrasonic waves. At sea, they may be used to mea
An adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5 MPa and 500oC at a rate
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