Question

Be sure to answer all parts. Label the stronger acid in each pair. Which acid has the stronger conjugate base? a. H2CO3 or HBr b. HI or HCN c. HCl or H2SO4 d. HF or HNO3 a. is the stronger acid and has the weaker conjugate base. b. is the stronger acid and has the weaker conjugate base. c. is the stronger acid and has the weaker conjugate base. d. is the stronger acid and has the weaker conjugate base. TABLE 9.1 Relative Strength of Acids and Their Conjugate Bases Acid Conjugate Base Strong Acids Hydroiodic acid HI I- Iodide ion Hydrobromic acid HBr Br- Bromide ion Hydrochloric acid HCl Cl- Chloride ion Sulfuric acid H2SO4 HSO4- Hydrogen sulfate ion Nitric acid HNO3 NO3- Nitrate ion Hydronium ion H3O+ H2O Water Weak Acids Phosphoric acid H3PO4 H2PO4- Dihydrogen phosphate ion Hydrofluoric acid HF F- Fluoride ion Acetic acid CH3COOH CH3COO- Acetate ion Carbonic acid H2CO3 HCO3- Bicarbonate ion Ammonium ion NH4+ NH3 Ammonia Hydrocyanic acid HCN CN- Cyanide ion Water H2O OH- Hydroxide ion

          Be sure to answer all parts.
Label the stronger acid in each pair. Which acid has the stronger conjugate base?
a. H2CO3 or HBr b. HI or HCN c. HCl or H2SO4 d. HF or HNO3
a. is the stronger acid and has the weaker conjugate base.
b. is the stronger acid and has the weaker conjugate base.
c. is the stronger acid and has the weaker conjugate base.
d. is the stronger acid and has the weaker conjugate base.
TABLE 9.1 Relative Strength of Acids and Their Conjugate Bases
Acid Conjugate Base
Strong Acids
Hydroiodic acid HI I- Iodide ion
Hydrobromic acid HBr Br- Bromide ion
Hydrochloric acid HCl Cl- Chloride ion
Sulfuric acid H2SO4 HSO4- Hydrogen sulfate ion
Nitric acid HNO3 NO3- Nitrate ion
Hydronium ion H3O+ H2O Water
Weak Acids
Phosphoric acid H3PO4 H2PO4- Dihydrogen phosphate ion
Hydrofluoric acid HF F- Fluoride ion
Acetic acid CH3COOH CH3COO- Acetate ion
Carbonic acid H2CO3 HCO3- Bicarbonate ion
Ammonium ion NH4+ NH3 Ammonia
Hydrocyanic acid HCN CN- Cyanide ion
Water H2O OH- Hydroxide ion

Be sure to answer all parts.
Label the stronger acid in each pair. Which acid has the stronger conjugate base?
a. H2CO3 or HBr b. HI or HCN c. HCl or H2SO4 d. HF or HNO3
a. is the stronger acid and has the weaker conjugate base.
b. is the stronger acid and has the weaker conjugate base.
c. is the stronger acid and has the weaker conjugate base.
d. is the stronger acid and has the weaker conjugate base.
TABLE 9.1 Relative Strength of Acids and Their Conjugate Bases
Acid Conjugate Base
Strong Acids
Hydroiodic acid HI I- Iodide ion
Hydrobromic acid HBr Br- Bromide ion
Hydrochloric acid HCl Cl- Chloride ion
Sulfuric acid H2SO4 HSO4- Hydrogen sulfate ion
Nitric acid HNO3 NO3- Nitrate ion
Hydronium ion H3O+ H2O Water
Weak Acids
Phosphoric acid H3PO4 H2PO4- Dihydrogen phosphate ion
Hydrofluoric acid HF F- Fluoride ion
Acetic acid CH3COOH CH3COO- Acetate ion
Carbonic acid H2CO3 HCO3- Bicarbonate ion
Ammonium ion NH4+ NH3 Ammonia
Hydrocyanic acid HCN CN- Cyanide ion
Water H2O OH- Hydroxide ion

Added by Thomas M.

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