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Which one of the following species does not exist under normal conditions?
Options
(a) Be₂⁺
(b) Be₂
(c) B₂
(d) Li₂
Correct Answer:
Be₂
Explanation:
Bond order of Be₂ is zero hence it cannot exist
Related Questions: - Molecular mass of a compound having empirical formula C₂H₅O is 90.
- Mg is present in
- One litre hard water contains 12 mg Mg²⁺. Milli equivalents of washing soda
- In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
- The correct order of ionization energy of C, N, O, F is
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Structure of Atom
(90)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Molecular mass of a compound having empirical formula C₂H₅O is 90.
- Mg is present in
- One litre hard water contains 12 mg Mg²⁺. Milli equivalents of washing soda
- In N₂ + 3H₂ → 2NH₃ reversible reaction ,increases in pressure will favour
- The correct order of ionization energy of C, N, O, F is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structure of Atom (90)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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