1.

P–O–P bond is absent in :-

Answer»

<P>Dimetaphosphoric ACID
Pyro phosphorous acid
Cyclic trimetaphosphoric acid
Hypo phosphorous acid

Solution :(i) Dimetaphosphoric acid

(ii) 2 mole `H_(3)PO_(3) to H_(4)P_(2)O_(5)`

pyrophosphorous acid
(iii)
(iv)Hypophosphorous acid -


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