Calculate the percentage of carbon in ethanoic acid Crystal c2h2o42h2o(cooh)2h2o)
Answers
Answer:
ExplanationANCD:
Answer:
The correct order is given as in option (c) FCH₂COOH > ClCH₂COOH > BrCH₂COOH > CH₃COOH.
Explanation:
The following represents the correct order of the acidity in the given compounds:-
FCH₂COOH > ClCH₂COOH > BrCH₂COOH > CH₃COOH
- Electron withdrawing groups attached to a carboxylic acid increases its acidity
- this is due to the fact that that these electron withdrawing groups stabilises the carboxylate anion
- due to this it gets strengthened
- fluorine is most electron withdrawing, chlorine is less than that and bromine is the least among them
- so the correct order is given as in option (c) FCH₂COOH > ClCH₂COOH > BrCH₂COOH > CH₃COOH.
The larger the distance lesser will be the effect of the group of stabilization . are directly connected to the carboxylic group so they increase the acidic character of the acids. Chlorine is a stronger deactivating group than benzene which is why it stabilizes the carboxylate ion more leading to the formation of a stronger acid. Nitro group is in second position with respect to COOH. Thus decreasing its electron-withdrawing effect and not stabilizing the carboxylate ion more the other two leading to a weak base.
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