Decide on the basis of the information in Table 6C.3 whether carbonic acid is a strong or weak acid in liquid ammonia solvent. Explain your answer.

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TABLE 6C.3 Conjugate Acid-Base Pairs Arranged by Strength pK₂ 1.92 3.37 3.45 4.75 6.37 6.89 9.25 9.31 10.25 10.56 Acid name Strong acid hydroiodic acid perchloric acid hydrobromic acid hydrochloric acid sulfuric acid chloric acid nitric acid hydronium ion hydrogen sulfate ion nitrous acid hydrofluoric acid acetic acid carbonic acid hydrosulfuric acid ammonium ion hydrocyanic acid hydrogen carbonate ion methylammonium ion water ammonia hydrogen methane hydroxide ion Very weak acid Acid formula HI HCIO. HBr HCI H₂SO4 HClO3 HNO3 H₂O+ HSOA HNO₂ HF CH₂COOH H,CO, H₂S NH₂+ HCN HCO, CH3NH₂* H₂O NH3 H₂ CH₁ OH Base formula I clo Br CI- HSOA Clo, NO, H₂O SO₂² NO₂™ F CH,CO, HCO, HS™ NH, CN CO₂²- CHÍNH, OH NH₂ H™ CH₂™ 0²- Base name Very weak base iodide ion perchlorate ion bromide ion chloride ion hydrogen sulfate ion chlorate ion nitrate ion water sulfate ion nitrite ion fluoride ion acetate ion hydrogen carbonate ion hydrogen sulfide ion ammonia cyanide ion carbonate ion methylamine hydroxide ion amide ion hydride ion methide ion oxide ion Strong base pKb 12.08 10.63 10.55 9.25 7.63 7.11 4.75 4.69 3.75 3.44