Which of the following order is/are correct with respect to given property
XeO3F2 < XeOzF2 (Dipole moment)
CH3 >CH3 (Bond angle)
H3PO4 > H3PO3
(Basicity)
N o N > Pal P
(Sigma bond strength)
Answers
Answer:
In both the molcules, 5 bond pairs and zero lone pairs are present. The central P atom in both the molecules undergoes sp
3
d hybridization. Hence, shape is trigonal bipyramidal for both the molecules.
(b) The net dipol moment μ
D
of both the molecules I and II is equal to zero as all substituents are symmetrically arranged due to which the individual bond dipoles cancel each other.
(c) According to Bent's rule, P−F bond length in PF
2
Me
3
is longer than PF
2
(CF
3
)
3
, because as a whole group CF
3
is electronegative than CH
3
group by which polarity of P−F bond increases in PF
2
(CF
3
)
3
and P−F bond length decreases.
Hence, the statements A,B and C are correct and the statement D is incorrect.
Answered By
toppr
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