The Number of Pi Bonds in the Oxalate Ion (C₂O₄^2-)

question 46

Multiple Choice

The number of pi bonds in the oxalate ion (C₂O₄^2-) is

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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National Pollutant Discharge Elimination System, a regulatory program in the United States that issues permits for the discharge of pollutants into waters of the United States.

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Session Initiation Protocol (SIP) is a communication protocol used for signaling and controlling multimedia communication sessions including voice and video calls over Internet Protocol (IP) networks.

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