Arrhenius, Bronsted-Lowry, and Lewis Acids and Bases

Question 1

According to the Arrhenius definitions of acids and bases, choose the bases from the list of acids and bases. Check all that apply.

Revolt · Accepted Answer

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Question 2

NH4+HPO42-HPO42– H2PO4–

Revolt · Accepted Answer

A: NH4+

Question 3

NH4+ NH3HPO42–H2PO4–

Revolt · Accepted Answer

B: NH3

Question 4

H2SHCO3-HS–H2CO3

Revolt · Accepted Answer

B: HCO3-

Question 5

H2SHCO3-HS–H2CO3

Revolt · Accepted Answer

D: H2CO3

Question 6

Fe3+H2OFe(H2O)63+

Revolt · Accepted Answer

B: H2O

Question 7

N(CH3)3BH3(CH3)3N:BH3

Revolt · Accepted Answer

B: BH3

Question 8

Explain how water behaves in this reaction. Which definition of acids and bases would you apply? Upper subscript 2 upper C upper O subscript 3 plus upper H subscript 2 upper O right arrow upper H upper C upper O subscript 3 superscript minus plus upper H subscript 3 upper O superscript plus.

Revolt · Accepted Answer

Water behaves as a base in this reaction. The Brønsted-Lowry definition should be applied because the reaction involves the transfer of a proton (H+) from carbonic acid (H2CO3) to water (H2O). Since a Brønsted-Lowry base is defined as a proton acceptor and water gains a proton to form H3O+, it acts as a base.

Question 9

Which of these ideas did you include in your answer?

Revolt · Accepted Answer

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Arrhenius, Bronsted-Lowry, and Lewis Acids and Bases Answers

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