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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:
explain why carbon tetra-chloride does not dissolve in water?
WHEN DISTORTION OCCUR?&HOW IT WORKS?
Uses of Iodoform or tri-iodomethane (a) Iodoform is utilized as a fire extinguisher under the name pyrene. Dense vapours form a protective layer on the burning objects and avoi
If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
The series limit for Balmer series of H-spectra is: (1) 3800 (2) 4200 (3) 3646 (4) 4000 Ans: 3646
Hi I need ur help Thank you CuCo3+2HCl=CuCl2+CO3+H2O What mass of cucl2 with react completely with 20 cm3 of 2000 mol cm3 of HCl? Calculate the % yield if 8.5g of chloride was pro
Matter is anything that has mass and takes up space. The term matter refers to all the materials, or "stuff," making up the universe. Everything you see around you is matter. The c
what are the precedure of dillution and dissolution
Doctors prescribe medicine based upon body weight. The recommended dose is 5.0 mg antibiotic per kg body weight and the antibiotic is dissolved to form a solution with a concentrat
can i have some problems regarding law of conservation of mass
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