1.

Correct statement (s) about dipole moment of R_(3)NO and R_(3)PO is /are:

Answer»

dipole moment of `R_(3)NOgt` dipolemoment of `R_(3)PO`
dipole moment of `R_(3)NOlt` dipolemoment of `R_(3)PO`
Experimental dipole moment of `R_(3)NOgt`Experimantal dipolemoment of `R_(3)PO`
Experimental dipole moment of `R_(3)NOlt`Experimantal dipolemoment of `R_(3)PO`

Solution :
`mu_(1)gtmu_(2)implies`due to higher difference in electronegativity of N and C than between P and C.
`mu_(1)gtmu_(2)implies` because `2p_(PI)-3d_(pi)` back bonding in the `P-O` bond decrease moment hence `(R_(3)NO)_(MU)gt(R_(3)PO)_(mu)`

Hence, experimental dipole moment of `R_(3)POLT`theoretical dipole moment of `R_(3)PO.`


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