| ⇦ | 
| ⇨ |
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: - Amines behave as
- Which of the following is endothermic reaction
- When CHCl₃ is boiled with NaOH, it gives
- Which of the following is a pair of isoelectronic species?
- The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid
Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Amines behave as
- Which of the following is endothermic reaction
- When CHCl₃ is boiled with NaOH, it gives
- Which of the following is a pair of isoelectronic species?
- The hydrogen ion concentration in mol/dm, in a 0.2 M solution of a weak acid
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