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This cycloaddition reaction involves sixteen electrons; hence, it must be suprafacial on one component and antarafacial on the other. Thus, it must be a [14s + 2a] or a [14a + 2s] cycloaddition. The heptafulvene molecule is large enough that its p-electron system can twist without introducing too much strain or without losing too much p-electron overlap; hence, the cycloaddition is a [14a + 2s] process. In either case, the product has the following stereochemistry:
The laboratory production of sulphuric acid involves the catalysed oxidation of sulphur in oxygen, followed by the separation of the resulting sulphur trioxide (SO 3 ) from sulphur
characteristics of group 13 elements
electronic vinyas
i am not able to understand difference between emphasising and reflexive pronoun
with suitable examples explain how a polar molecule could induce polarity to a nearby nonpolar molecule . Ans) Throughinduction,, the positive part of the polar molecule will a
ionic bond
Q. Extraction of f-block element ? As all the lanthanides occur together in nature, their extraction involves two main steps: (i) separation from one another and (ii) reducti
Difference between Mesomerism and Resonance Even though both resonance and mesomerism denote similar phenomenon, they are different in the following respect: Resonance inclu
explain anomalous behaviour of beryllium
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