MCQ
In which of the following molecule all the effect namely inductive, mesomeric $\&$ hyperconjugation operate
- A

- B

- ✓

- D






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$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$
at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)

