MCQ
Strongest reducing agent is
- A${F^ - }$
- B$C{l^ - }$
- C$B{r^ - }$
- ✓${I^ - }$
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[Atomic number: $S =16, C 1=17, I =53$ and $Xe =54$ ]
$(i)\, {\Delta _f}{H^o}$ 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......$kJ$