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Classification of Elements and Periodicity in Properties
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26/08/2021 11:37 am
Topic starter
The increasing order of electron affinity of N, P and As is
(a) N < P < As
(b) As < P < N
(c) As < N < P
(d) As < N > P
1 Answer
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26/08/2021 11:38 am
Correct answer: (c) As < N < P
Explanation:
Phosphorus has vacant ‘d’-orbitals due to which it has higher electron affinity than nitrogen. As also has vacant d-orbitals but its atomic size is very big thus its electron affinity will be lesser than N.