Single arrow vs. double arrows

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Christina Cen 2J
Posts: 53
Joined: Sat Jul 22, 2017 3:01 am

Single arrow vs. double arrows

Postby Christina Cen 2J » Thu Dec 07, 2017 4:28 pm

Does it matter if we use double arrows or a single arrow when writing the reactions for strong acids and bases? For example, the dissociation of H2SO4 on 12.3a on the homework is a strong acid reaction, so I was under the impression that it would be a single arrow but the solutions manual shows a double arrow.

ami patel
Posts: 20
Joined: Thu Jul 27, 2017 3:00 am

Re: Single arrow vs. double arrows

Postby ami patel » Thu Dec 07, 2017 4:31 pm

theoretically, it is still an equilibrium reaction so the double arrows are present, but because it is a strong acid there will be full dissociation. Maybe the solutions manual made a mistake? it has been known to happen.

Rebecca Cheung 1E
Posts: 20
Joined: Fri Sep 29, 2017 7:04 am

Re: Single arrow vs. double arrows

Postby Rebecca Cheung 1E » Thu Dec 07, 2017 4:34 pm

Maybe it is because H2SO4 is a polyprotic acid so it has the potential to donate more protons instead of one?

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