MCQ
Amongst the following elements, the highest ionization energy is
- A$[Ne]\,3s^2\,3p^1$
- ✓$[Ne]\,3s^2\,3p^3$
- C$[Ne] \,3s^2\,3p^2$
- D$[Ar]\,3d^{10} \,4s^2\, 4p^3$
Thus among given option highest IE is of option B i.e. $[N e] 3 s^{2} 3 p^{3}$.
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Statement $(I)$ : Kjeldahl method is applicable to estimate nitrogen in pyridine.
Statement $(II)$ : The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.
In the light of the above statements, choose the correct answer from the options given below.
($R = 0.082\, L\, atm\, mol^{-1}\, K^{-1}$, Molar mass of $S = 32\, g\, mol^{-1}$, molar mass of $N = 14\, g\, mol^{-1}$)