AIIMS 2018 Chemistry Isomerism MCQ Question
Assertion : 2,4-Dimethyl hex-2-ene has 4 stereoisomer
Reason : It show geometrical isomerism
If both assertion and reason are true and reason is the correct explanation of assertion.
If both assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
f both assertion and reason are false.
Correct Answer
Detailed Explanation
2,⁴-Dimethylhex-2-ene does not exhibit geometrical isomerism because it lacks the necessary criteria of having different groups attached to the double bond carbons; both carbons involved in the double bond have identical substituents. Additionally, the presence of two methyl groups at the 2 and 4 positions does not create any stereocenters, thus eliminating the possibility of forming stereoisomers. Other options are not applicable as they do not provide relevant information or alternatives regarding the structural characteristics and isomerism of 2,⁴-Dimethylhex-2-ene.
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