| ⇦ | 
| ⇨ |
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: - Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Phenol on reaction with bromine water would give
- Zeolite used to soften hardness of water is, hydrated
- Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
- The correct order of the decreasing ionic radii among the following isoelectronic
Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following sets of quantum numbers violates the rules of quantum mechanics
- Phenol on reaction with bromine water would give
- Zeolite used to soften hardness of water is, hydrated
- Numbers of moles of K₂Cr₂O₇ reduced by one mole os Sn²⁺
- The correct order of the decreasing ionic radii among the following isoelectronic
Topics: Chemical Bonding and Molecular Structure (86)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply