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amm1812
3 years ago
11

THIS QUESTION RIGHT HERE ;)

Chemistry
1 answer:
sergij07 [2.7K]3 years ago
4 0
The answer is Hydrogen sulfide. We know this because those are the two elements missing from the left side of the equation. And both sides have to have the same elements!
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Rank these acids according to their expected pKa values.ClCH2COOHClCH2CH2COOHCH3CH2COOHCl2CHCOOHIn order of highest pka to lowes
Ilia_Sergeevich [38]

Answer:

CH₃CH₂CH₂COOH > CH₃CH₂COOH > ClCH₂CH₂COOH  > ClCH₂COOH

Explanation:

Electron-withdrawing groups (EWGs) increase acidity by inductive removal of electrons from the carboxyl group.

Electron-donating groups (EDGs) decrease acidity by inductive donation of electrons to the carboxyl group.

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CH₃CH₂-CH₂COOH —  EDG —                         weakest —  pKₐ = 4.82

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  ClCH₂-CH₂COOH — EWG on β-carbon— stronger —     pKₐ = 4.00

           ClCH₂COOH — EWG on α-carbon — strongest —  pKₐ = 2.87

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it's true ....

plz mark my answer as brainlist plzzzz vote me also

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