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Question: Answered & Verified by Expert
Assertion: All the hydrogen atoms in $\mathrm{CH}_2=\mathrm{C}=\mathrm{CH}_2$ lie in one plane.
Reason : All the carbon atoms in its are $s p^2$ hybridized.
ChemistryGeneral Organic ChemistryAIIMSAIIMS 2014
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1484 Upvotes Verified Answer
The correct answer is: If both assertion and reason are false.
The two H-atoms on first carbon and the two $\mathrm{H}$-atoms on the third carbon atom lie in perpendicular planes. The central carbon atom is $s p$-hybridized while terminal carbon atoms are $s p^2$-hybridized.

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