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He₂ does not exist because its
Options
(a) molecular orbital=0
(b) bond energy=0
(c) bond order=0
(d) both(b) and (c)
Correct Answer:
bond order=0
Explanation:
Molecular orbital configuration of He₂ is σ 1s², σ* 1s². Since its bond order is 1/2 (2-2) =0, therefore He₂ does not exit.
Related Questions: - When acetic acid is heated with phosphorus pentaoxide(P₂O₅), the compound
- Which one of the following has ΔS⁰ greater then zero
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
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Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When acetic acid is heated with phosphorus pentaoxide(P₂O₅), the compound
- Which one of the following has ΔS⁰ greater then zero
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- In methane four C-H bonds are directed towards the corners of
- Which of the following exists as zwitter ion
Topics: Chemical Bonding and Molecular Structure (86)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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