thicklooney
23.02.2021 •
Chemistry
In an experiment ,100g of aluminium is burnt in oxygen ,giving aluminum oxide ,150 g of aluminium oxide is obtained .What is the % yield for the experiment ? (If you need any formulas ask me and i will answer, i just really need help ;/ )
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Ответ:
K
See explanation
Explanation:
It is more common to use H2SO4 for dehydration reaction rather than HCl because HCl contains a good nucleophile,the chloride ion.
Owing to the presence of the chloride ion, a substitution reaction involving the chloride ion may also proceed also thereby affecting the elimination reaction.
Also, concentrated H2SO4 is a very good drying agent thus, as long as it is used, the alcohol substrate is completely dehydrated to yield the alkene.
Note that HCl is not a dehydrating agent.