pBlock ElementsII - Result Question 60
####55. Statement I Although
Statement II Phosphorus has lower electronegativity than nitrogen.
(1994, 2M)
Passage Based Questions
Passage
Upon heating
(2017 Adv.)
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Solution:
- Both Statement I and Statement II are independently correct but reason is not the correct explanation of Statement I. Nitrogen does not has any vacant
-orbitals, it cannot expand its valence shell beyond eight electrons, i.e. it cannot violate octet. Therefore, nitrogen forms only trihalides ( with eight electrons in valence shell of ).
Phosphorus has vacant