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Q.

Anhydride of pyrophosphoric acid is

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a

P₄O₆

b

P₄O₁₀

c

P₂O₄

d

P₂O₃

answer is B.

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Detailed Solution

Pyrophosphoric Acid is an acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid.

pyrophosphoric acid is H₄P₂O₇

H₄P₂O₇ $\underset{- 2 H 2 o}{\to}$ P₂O₅

P₂O₅ exist as P₄O₁₀

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