In the anion $HCOO^-$,the two carbon-oxygen bonds are found to be of equal length. What is the reason for it?
- AElectronic orbitals of carbon atom are hybridised
- BThe $C=O$ bond is weaker than the $C-O$ bond
- CThe anion $HCOO^-$ has two resonating structures
- DThe anion is obtained by removal of a proton from the acid molecule
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Given that:
$(i) \Delta_f H^o$ 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 $...... \ kJ \ mol^{-1}$.
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The resonance energy of $N_2O$ is $...... \ kJ \ mol^{-1}$.
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