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Which one of the following molecules contains no π bond?
Options
(a) H₂O
(b) SO₂
(c) NO₂
(d) CO₂
Correct Answer:
H₂O
Explanation:
All the molecules have O atom with lone pairs, but in H₂O the H atom has no vacant orbital for pi-bonding. That’s why it does not have any pi-bond. In all other given molecules the central atom because as the presence of vacant orbitals is capable to form pi-bonds.
Related Questions: - Orthonitrophenol is steam volatile while para-isomer is not. This is because of
- Each unit cell of NaCl consists of 6 chlorine atoms and
- Which of the following has lowest pH value
- Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹
- According to Raoult’s law, the relative lowering of vapour pressure
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Chemical Bonding and Molecular Structure
(86)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Orthonitrophenol is steam volatile while para-isomer is not. This is because of
- Each unit cell of NaCl consists of 6 chlorine atoms and
- Which of the following has lowest pH value
- Equivalent conductances of Ba²⁺ and Cl⁻ ions are 127 and 76 ohm⁻¹ cm⁻¹ eq⁻¹
- According to Raoult’s law, the relative lowering of vapour pressure
Question Type: Memory (964)
Difficulty Level: Easy (1008)
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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