Which of the following has significant effect on the properties of p-block elements in their absence and presence respectively ?
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a
d-orbitals in second period and d or f-orbitals in heavier elements
b
d and /or f-orbitals in heavier elements and d-orbitals in second period.
c
d-orbitals in second period and f-orbitals in heavier elements
d
f- orbitals in heavier elements and d-orbitals in second period
answer is A.
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Detailed Solution
The general electronic configuration of P-block elements is ns2np1-6Absence of d-orbitals in case of 2nd period elements differ them from the remaining elements of same group.As we move down the group, heavier elements consists of d or f-orbitals.