Two reactions describe the stepvwise ionization of 1H so H,so, (l) + H20 (l)--Hs

Question

Two reactions describe the stepvwise ionization of 1H so H,so, (l) + H20 (l)--Hso; (aq) + H3O+ (aq) a. What is the acid in the forward direction of the first reaction? b. What is the conjugate base of this acid? c. What is the acid in the forward direction of the second reaction? d. What is the conjugate base of this acid? . Fill in the blanks. (Use a separate piece of paper.) a. Aqueous solutions of Arrhenius acids taste b. Aqueous solutions of Arrhenius C. are slippery c Arrhenius acids react with active metals to produce gas. d. Aqueous solutions ofArrhenius bases taste .

Explanation / Answer

3)

Substance which donates proton is called acid. The acid substance remains after the donatation of proton is called conjugate base of acid.

a:

H2SO4(l) + H2O(l) <------> HSO4-(aq) + H3O+(aq)

In the forward direction of above reaction, H2SO4 donates proton.

So, H2SO4 is the acid.

b. Conjugate base is HSO4-.

c.

In the second reaction, HSO4- donates proton.

So, HSO4- is the acid.

d. conjugate base in the second reaction is SO42-.

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