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MHT CET202411 May 2024Evening ShiftChemistryHydrocarbonsActual

Identify the correct stability order of following alkenes. I) ( CH ₃ )₂ C = C ( CH ₃ )₂ II) ( CH ₃ )₂ C = CH ₂ III) ( CH ₃ )₂ C = CHCH ₃

Options

  1. AIII II I
  2. BI III II
  3. CII I III
  4. DI II III

Correct answer

B. I III II

Step-by-step solution

The alkene that has greater number of alkyl groups attached to doubly bonded carbon atoms is more stable than other alkenes. Order of stability of alkenes with respect to Saytzeff rule is: aligned & ( CH ₃ )₂ C = C ( CH ₃ )₂ ( CH ₃ )₂ C = CH ( CH ₃ ) & ( CH ₃ )₂ C = CH ₂ aligned

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