Classification Of Elements And Periodicity In Properties Question 14
Question: The first ionization potentials $ ( eV ) $ of $ Be $ and $ B $ respectively are [CBSE PMT 1998]
Options:
A) $ 8.29eV $ , $ 9.32eV $
B) $ 9.32eV $ , $ 9.32eV $
C) $ 8.29eV $ , $ 8.29eV $
D) $ 9.32eV $ , $ 8.29eV $
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Answer:
Correct Answer: D
Solution:
First I.P. of $ Be>B $ because of stable $ ns^{2} $ configuration.
BETA
