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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:
One way to create ethanol for use as a gasoline additive is the reaction of water vapor with ethylene: a. write this equation using Lewis structures. b. Is this reaction e
Why is ammonium (NH4) seperately placed in zeroth group in detection of basic radical in qualitative analyisis?
what techniques can you use to separate solute from liquid
Attacking Reagents - Organic chemistry The fission of the substrate molecule to make centres of high or low electron density is affected by attacking reagents. Most of the atta
classification
Q. Explain Ellingham Diagrams? Ellingham studied the variation of standard free energy change for the formation of a number of compounds, e.g., oxides, sulphides and chlorides,
priming and foaming.
names of different polyfunctional groups alon g with their structures
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
Q. Explain about heterogeneous mixture? A heterogeneous mixture is one that isn't blended smoothly throughout. Illustrations of heterogeneous mixtures include smoky air and m
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