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What is anionic intermediate
The spectrum is consistent with the formation of an anionic intermediate-a stable Meisenheimer complex. (The dotted lines symbolize resonance delocalization of the negative charge.) If you draw out the resonance structures for this ion, you will see that charge is delocalized to the carbons bearing the nitro groups, and it can also be delocalized into the nitro groups. Though, charge is not delocalized to the other carbons. As, the protons on these carbons do not show the smaller chemical shift that would be expected if there were high electron density on these carbons.
Classification of polymers Classification lies on source of availability: They are categorized as (a) Natural polymers (b) Synthetic polymers
Calculate ionisation potential of the electron in the first exited state of singly ionised Helium atom is given by ionisation of Hydrogen atom to be 13.6 eV. Ans: According to
The ratio among the radius of cation and the radius of anion is known as Limiting radius.
do bases react with lab glassware?
DNA nucleotides Adenine + Deoxy ribose sugar + Phosphate → Adenosine phosphate Guanine
Explain experimental evidence to demonstrate the existence of ferromagnetic domains. Temperature increases, thermal motion, or entropy, competes with ferromagnetic tendency for
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A 100 gal tank contains 10 lb of water. The tank is filled by two inlet streams, one of pure water and one of pure ethanol. The flow rate of both streams is 10 gal/min. Calculate t
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