1.

The maximum number of P-H bonds are contained in which of the following molecules

Answer»

<P>`H_(3)PO_(2)`
`H_(3)PO_(3)`
`H_(3)PO_(4)`
`H_(4)P_2O_(7)`

Solution :`H_(3)PO_(2) to H-overset(O)overset(uarr)underset(H)underset(|)(P)-OH`
`H_(3)PO_3 to H-overset(O)overset(uarr)underset(OH)underset(|)(P)-OH`
`H_(3)PO_(4) to HO-overset(O)overset(uarr)underset(OH)underset(|)(P)-OH`
`H_(4)P_(2)O_(7) to HO-overset(O)overset(uarr)underset(OH)underset(|)(P)-O-overset(O)overset(uarr)underset(OH)underset(|)(P)-OH`
MAXIMUM NUMBER of P-H BONDS are is present in `H_(3)PO_(2)`


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