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Question
Write the formula, structure and basicity of the following oxoacid:
Pyrophosphoric acid
Very Short Answer
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Solution
Formula: H4P2O7
Structure: 
Basicity: Pyrophosphoric acid is tetrabasic because it has four ionisable hydrogen atoms attached to the four \[\ce{P - OH}\] groups, which can release protons (H+) in solution.
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Chapter 7: p-Block Elements - SHORT ANSWER TYPE QUESTIONS [Page 447]
