| ⇦ | 
| ⇨ |
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
- If the energy of a photon is given as : =3.03 × 10⁻¹⁹J then, the wavelength (λ)
- NH₃ is added BF₃ by
- The mole heat capacity of water at constant pressure, C, is 75 J K⁻¹mol⁻¹.
- Molecular mass of a compound having empirical formula C₂H₅O is 90.
- When a common salt is added to the saponified product of oil, the soap is thrown
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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