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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:
how alkenes oxidise with potassium
how to determine the percentage of association or dissociation in a solution?
Vitamins - Biomolecules Additionally to air, water, proteins, carbohydrates, fats and mineral salts, specific organic substances needed for regulating some of the body procedur
Why can it be said that the enzymatic action is highly specific? Ans) The enzymatic action is highly particular because only particular substrates of one enzyme bind to the acti
why dipole moment of CH3CL is more than CH3F
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The band model of solids is an extended of the molecular orbital (MO) method. The overlap of atomic orbitals in an extended solid produces rise to continuous bands of electronic en
Discuss "cohesive energy" and "electron affinity". ‘Cohesive energy’: In a chemical bond, it’s the energy required to dissociate a solid into isolated atoms or molecules as ap
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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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