JEE Main Chemistry question

Total number of sigma and pi bonds present in C₆H₅–CH=CH–CHO (cinnamaldehyde) are .

Answer: 23

Solution

Ring: 6 C–C σ + 5 C–H σ (one ring position substituted) + 3 delocalised π. Chain: ring–vinyl C σ (1), vinyl C=C (1 σ + 1 π), vinyl C–H ×2 (2

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Question ID VK-140454