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QAIPMT-2010-Ch-2019: NEET 2010 Chemistry - Class 11 AIPMT-2010-Ch-2019 Solution: Which one of the following species does not exist under normal…

Which one of the following species does not exist under normal conditions?

Multiple Choice Options

A $Be_2^+$
B $Be_2$
C $B_2$
D $Li_2$

Step-by-Step Verified Solution

Be 2 does not exists Be 2 has an electronic configuration of : _ 1 s 2 _ _ 1 s 2 _ 2 s 2 _ _ 2 s 2 _ Bond order = 4 _ 4 2 = 0 Thus, Be 2 does not exists

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