Multiple choice

The process through which the hydronium end of a water molecule is exchanged with a water molecule at the other end is

  1. donor-acceptor series

  2. proton hop

  3. hydronium accelerator series

  4. acceptor affinity chain

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During proton hop, the hyrdonium ion (H3O+) loses one proton and transfers its proton to the adjacent acceptor (H2O), which then becomes a donor for the next adjacent in the series. Eventually, the proton reaches the last proton acceptor (water), which becomes a hydronium ion.

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