Indicate whether the first listed reactant in each of the following Bronsted-Low

Question

Indicate whether the first listed reactant in each of the following Bronsted-Lowry acid-base reactions is functioning as an acid or a base. F^- + H_2O rightarrow HF + OH^- HCIO + H_2O rightarrow H_3O^+ + CIO^- H_3PO_4 + NH_3 rightarrow NH_4^+ + H_2PO_4^- HNO_2 + HS^- rightarrow H_2S + NO_2^- Write chemical equations that show the indicated behavior in aqueous solution for each of the following chemical species. HOCI behaves as a Br oslash nsted-Lowry acid NH_3 behaves as a Br oslash nsted-Lowry base H_2PO_4^- behaves as a Br oslash nsted-Lowry acid CO_3^2- behaves as a Br oslash nsted-Lowry base Write chemical equations that show the indicated behavior in aqueous solution for each of the following chemical species. HC_2O_4^- behaves as a Br oslash nsted-Lowry acid F6- behaves as a Br oslash nsted-Lowry base H_2CO_3 behaves as a Br oslash nsted-Lowry acid NH_2^- behaves as a Bronsted-Lowry base

Explanation / Answer

Q8

reacall that

bronsted lowry acid --> donate H+ ions

bronsted lowry base--> accept H+ ions

a)

F- + H2O --> HF + OH-

H2O donate H+ ions, so it is acitng as an acid

F- is gaining H+ ions, so it is a base

b)

HClO + H2O -- >H3O+ + ClO-

claerly, HClO is the acid, since it donate H+ ions in solutoin

H2O gains H+ ion, so this is a base

c)

H3PO4 + NH3 --> NH4+ + H2PO4-

H3PO4 acts as an acid, donating H+ ions

NH3 accept H+ ion to form NH4, this is a base

d)

HNO2 + HS- --> H2S + NO2-

HNO2 acts as an acid, since it donates H+ ions to form NO2-

HS- --> accepts H+ protons, therefore acid

Q10

HC2O4- + H2O <-> C2O4-2 + H3O+

F- + H2O <-> HF + OH-

H2CO3 + H2O  <--> HCO3- + H3O+

NH2- + H2O <--> NH3 + OH-

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