Rank the following carboxylic acids by acid strength, with the strongest at the top and the weakest at the bottom. It may help t
1 answer:
Answer:
Explanation:
Florine has the highest electronegativity and it thus pulls the element of groups in the COOH group towards itself, making it relatively easy to loose the proton of the carboxyl group.
F O
↑ ||
F← C ← C ← O - H , Here three Florine withdraw
↓
F
F O
↑ ||
F← C ← C - O H , Here two Florine withdraw
↓
H
F O
| ||
H - C - C - OH , Here one Florine withdraw
↓
H
H O
| ||
H - C - C - OH , Here no Florine withdraw
|
H
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Answer:
The glycosylation reaction or glycoside formation is an organic reaction in which the hemiacetal group of cyclists ketoses or aldoses turns into acetals, named glycosides. Reaction in the attached picture.
Explanation:
Carbohydrates can be found in an open-chain form or a cyclic form. For the second one, the carbonyl group of the aldehyde could react with the alcohol group of the molecule to form the cycle. As shown in the attached picture, the alcohol group of this cyclic form could react with an alcohol (like methanol) in acidic conditions to form an acetal. These compounds are stable at neutral and acidic conditions, but they hydrolyze at basic conditions. This reaction produces both acetals anomers (α and β) because the attack of the nucleophile (alcohol) could be from both sides. However, the most stable anomer will predominate.
