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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: - Which of the following represents correct decreasing order of polarity?
- The correct set of four quantum numbers for the valence electron of rubidium atom
- Ostwald’s dilution law is applicable to only
- The atmospheric pressure is sum of the
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
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
- Which of the following represents correct decreasing order of polarity?
- The correct set of four quantum numbers for the valence electron of rubidium atom
- Ostwald’s dilution law is applicable to only
- The atmospheric pressure is sum of the
- If 200 mL of gas at 27°C is cooled to 7°C at constant pressure, its final volume will be
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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