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# Which of the following is incorrect about ${{H}_{4}}{{P}_{2}}{{O}_{5}}$?A. It contains P in +5 oxidation stateB. It is a dibasic acidC. It is strongly reducing in natureD. It contains one $P-O-P$ bond

Last updated date: 13th Jun 2024
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Hint: ${{H}_{4}}{{P}_{2}}{{O}_{5}}$ is known by the name pyro phosphorus acid which is generally colorless or odorless in nature. ${{H}_{4}}{{P}_{2}}{{O}_{5}}$ is soluble in water, diethyl ether, and ethyl alcohol. This acid is somewhat corrosive but not kept in the category of toxic acids.

We have to choose the incorrect statement about ${{H}_{4}}{{P}_{2}}{{O}_{5}}$ this can be explained on the basis of discussion of each point.
A. It contains P in +5 oxidation state: Oxidation state of P i.e. Phosphorus is calculated as this way in ${{H}_{4}}{{P}_{2}}{{O}_{5}}$; Hydrogen have -1 oxidation state, oxygen carries -2 charge and overall charge on the compound is zero so $(-1)\times 4+x\times 2+(-2)\times 5 = 0$ where we find the value of x = +3 so this statement is not true.
B. It is dibasic acid: ${{H}_{4}}{{P}_{2}}{{O}_{5}}$ is dibasic acid this can be explained by the structure of ${{H}_{4}}{{P}_{2}}{{O}_{5}}$ which is as follows:
D. It contains one $P-O-P$ bond: The given statement is true; we can easily see in its structure that it has one $P-O-P$ bond.