Which One of the Following Is Not a Conjugate Acid-Base

question 59

Multiple Choice

Which one of the following is not a conjugate acid-base pair?

• A)NH₃ and NH₂ ^
• B)HNO₃ and HNO₂
• C)HI and I ^
• D)H₂PO₄ ^ and HPO₄^{2 }
• E)H₂O and OH ^

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