MCQ
Number of $\sigma $ and $\pi $ bonds in benzophenone is
- A$24, 6$
- B$24, 7$
- C$25, 6$
- ✓$25, 7$

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$(i)\, {\Delta _f}{H^o}$ of $N_2O$ is $82\, kJ\, mol^{-1}$
$(ii)$ Bond energies of $N \equiv N,N = N,O = O$ and $N = O$ are $946, 418, 498$ and $607\, kJ\, mol^{- 1}$ respectively
The resonance energy of $N_2O$ is......$kJ$

$Br_{2(l)} + Cl_{2(g)} \rightarrow 2BrCl_{(g)}$
are $30\ kJ\ mol^{-1}$ and $105\ J\ K^{-1} mol^{-1}$ respectively. The temperature at which the reaction will be in equilibrium is ............... $\mathrm{K}$