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UnkleRhaukus Group Title

Zwitterions?

  • one year ago
  • one year ago

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  1. .Sam. Group Title
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    Molecule with +ve and -ve charge at different locations on a molecule.

    • one year ago
  2. UnkleRhaukus Group Title
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    how is this stable?

    • one year ago
  3. .Sam. Group Title
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    Its stable, the charges cancel out each other, this happens pretty often for amino acids

    • one year ago
  4. UnkleRhaukus Group Title
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    why dosent the electron move toward the exposed proton ?

    • one year ago
  5. UnkleRhaukus Group Title
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    does it have something to do with electron shells filling up?

    • one year ago
  6. .Sam. Group Title
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    |dw:1351746995832:dw|

    • one year ago
  7. UnkleRhaukus Group Title
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    so the RHS is favoured because it is a lower energy state right?

    • one year ago
  8. .Sam. Group Title
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    It depends on the Ka and Kb value for proton transfer, it doesn't mean it will always work

    • one year ago
  9. .Sam. Group Title
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    Normally, amino acids in solution of water are required to induce zwitterion formation in a given amino acid molecule. First reaction: \[H_2NCH_2CO_2H + H_2O \leftarrow \rightarrow H_2NCH_2COO^- + H_3O^+\] Second reaction: \[H_2NCH_2CO_2H + H_2O \leftarrow \rightarrow ^+H_3NCH_2COOH +OH^-\] Overall reaction: \[H_2NCH_2CO_2H \leftarrow \rightarrow ^+H_3NCH_2COO^- \] You can also say that water plays an important role in inducing zwitterion formation. But the yield depends on equilibrium constant K, and amount of water, large K value means the forward direction is favored.

    • one year ago
  10. sara12345 Group Title
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    is it a dipole also

    • one year ago
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