The P Block Elements - Result Question 10

####10. Oxidation states of $P$ in $H_4 P_2 O_5, H_4 P_2 O_6$, and $H_4 P_2 O_7$, are respectively:

[2010]

(a) $+3,+5,+4$

(b) $+5,+3,+4$

(c) $+5,+4,+3$

(d) $+3,+4,+5$

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Solution:

10.O=[PH]C=[18O]



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