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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2010
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Q)

Oxidation states of P in $H_4P_2O_5,H_4P_2O_6,H_4P_2O_7$, are respectively:


( A ) +3, +4, +5
( B ) +5, +4, +3
( C ) +5, +3, +4
( D ) +3, +5, + 4

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