Chemical Bonding Result Question 25
Integer Questions
25. Among $\mathrm{H} _2, \mathrm{He}^+ _2, \mathrm{Li} _2, \mathrm{Be} _2, \mathrm{~B} _2, \mathrm{C} _2, \mathrm{~N} _2, \mathrm{O}^- _2$ and $\mathrm{F} _2$, the number of diamagnetic species is
(Atomic numbers: $\mathrm{H} = 1, \mathrm{He} = 2, Li = 3,Be = 4, B = 5, C = 6, \mathrm{N} = 7, \mathrm{O} = 8, \mathrm{F} = 9)$
(2017 Adv.)
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Answer:
Correct Answer: 25. ( 6 )
Solution:
- $\mathrm{H} _2, \mathrm{Li} _2, \mathrm{Be} _2, \mathrm{C} _2, \mathrm{~N} _2$ and $\mathrm{F} _2$ are diamagnetic according to molecular orbital theory.
BETA
