Assertion : All the carbon atoms of but-2-ene lie in one plane. Reason : All the carbon atoms in but-2-ene are sp^(2) hybridized.

Assertion : All the carbon atoms of but-2-ene lie in one plane. Reaso

1.	Assertion : All the carbon atoms of but-2-ene lie in one plane. Reason : All the carbon atoms in but-2-ene are sp^(2) hybridized.
Answer» If both assertion and reason are correct and reason is correct EXPLANATION for assertion. If both assertion and reason are correct but reason is not correct explanation for assertion. If assertion is correct but reason is incorrect. If both assertion and reason are incorrect. Solution :Correct reason : Only the CARBON atoms involved in double BOND are `SP^(2)` hydridised.