Which of the Following Name-Formula Pairs Is/are Incorrect

question 20

Multiple Choice

Which of the following name-formula pairs is/are incorrect?
i.Bromous acid,HBrO₂
ii.Nitrate ion,NO₃^-
iii.Periodate ion,IO₃^-
iv.Hydrofluoric acid,HFl
v.Telluric acid,H₂TeO₃ (tellurium,Z = 52)

• A)i and ii
• B)iii and iv
• C)iv and v
• D)i, ii, and iii
• E)iii, iv, and v

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