Extending the Acid/Base Concept1. Definitions(pg. 75, 417 – 418, glossary) a)When H+is by itself it is often referred to as a ______________. When attached to a water molecule it is called a _____________ ion and is symbolized _____. b)Define the terms: monoprotic, polyprotic, diprotic, and triprotic. c)What name is given to the reaction that occurs between acids and bases? d)Define acids and bases according to both the Arrhenius and Bronsted definitions. (set up your definitions in the form of a chart). Which of these definitions did we use in grade 11? 2. Applying Acid/Base Definitionsa) Reactions involving aqueous reagents: e.g. NaOH(aq) + HCl(aq) →NaCl(aq) + H2O(l) Use the above reaction to illustrate the difference between Arrhenius and Bronsted definitions of acids and bases (place your answers in chart form – in each box give the relevant reaction that shows how NaOH or HCl acts as an acid or as a base). b) Reactions involving non-aqueous reagents: e.g. NH3(g) + HCl(g) →NH4Cl(s) i)Explain why the Arrhenius definition does not apply to the above reaction.
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