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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.
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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
- A liquid is in equilibrium with its vapour at its boiling point
- Oxidation number of iron in [Fe(CN)₆]⁴⁻ is
- IUPAC name of CH₃CH₂CH₂CH(CH₃)COCH₃ is
- When 0.1 mol MnO₄²⁻ is oxidised the quantity of electricity required to completely
- Of the following 0.10 m aqueous solution which one will exhibit the largest freezing
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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