statement(I) : PH5 can not existstatement(II) : Phosphorous can not show pentavalency
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a
Both (I) & (II) are true
b
(I) is true & (II) is false
c
(I) is false & (II) is true
d
Both (I) & (II) are false
answer is B.
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Detailed Solution
Hydrogen atom is not sufficiently Electro negative to excite the electrons in Phosphorous PH5 can not existPhosphorous can exhibit pentavalency due to the availability of vacant d-orbitals