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October 21, 2014

Homework Help: chem

Posted by manny on Monday, August 20, 2007 at 10:49pm.

Are these correct?

Rank the following species in order of increasing acidity. Explain your reasons of ordering them as you do.

NH3 ,H2SO4, CH3OH, CH3COOH

CH3COOH > H2SO4> CH3OH >NH3

Rank the following species in order of increasing basicity. Explain your reasons of ordering them as you do.

CH3O- CH3COOH CH3COO- NaOH NH2- HSO4-

CH3O- > CH3COO- > NH2- > HSO4- > CH3COOH > NaOH




NH3 ,H2SO4, CH3OH, CH3COOH

I don't know HOW you arrived at your answer but we all know CH3COOH is a weak acid, H2SO4 is a strong acid, NH3 is a weak base and CH3OH for all practical purposes is neutral. So from most basic to most acidic, (;i.e., least acidic to most acidic) we have
NH3 < CH3OH < CH3COOH < H2SO4

You may want to review your text and notes on this or perhaps the meaning of < and >.

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