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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:
proper definition plz
Electrochemicalseries table
explain the scale and sludge formation?
give one chemical test to distinguish the following pairs of compound ethyl nitrile and nitroetane;benzamide and p-aminobenzonic acid
WHAT IS USE OF ION PAIR REAGENTS? The chemical substances that pair each other, to produces complexes. These can use for stabilization of one of the molecule that is more active
uses of light waves in chemical areas
We can find a compound is acid or base by using litmus test. Acides turnes red litmus to blue colour, in case of base it turnes blue litmus to red.(or) According to arrhenius
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Optical glass: They contain phosphorous as replacement for most of all the silica and lead silicate, containing a little CaO 2 , the latter is capable of absorbing ultraviolet lig
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