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JEE Mains · Chemistry · STD 11 - 8.4. Organic chemistry reaction mechanism

The correct order of heat of combustion for following alkadienes is

  1. A \((a) < (b) < (c)\)
  2. B \((b) < (c) < (a)\)
  3. C \((c) < (b) < (a)\)
  4. D \((a) < (c) < (b)\)
Verified Solution

Answer & Solution

Correct Answer

(A) \((a) < (b) < (c)\)

Step-by-step Solution

Detailed explanation

Generally trans is more stable then cis form Heat of combustion (HOC) \(\propto \frac{1}{\text { Stability }}\) Stability : \(a>b>c\) \(\mathrm{HOC}: \mathrm{c}>\mathrm{b}>\mathrm{a}\)
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