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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
The process requiring absorption of energy is
  • ✓
    $N \longrightarrow {N^ - }$
  • B
    $F \longrightarrow {F^ - }$
  • C
    $Cl \longrightarrow {Cl^ - }$
  • D
    $H \longrightarrow {H^ - }$
✓

Answer

Correct option: A.
$N \longrightarrow {N^ - }$
a
$\underset{\begin{smallmatrix} 
 \text{(2}{{\text{p}}^{3}}\text{ )} \\ 
 \text{(Half filled)} 
 \\ 
 \text{(more stable} 
\end{smallmatrix}}{\mathop{N}}\,\xrightarrow{+1{{e}^{-}}}\underset{\text{(lessstable)}}{\mathop{N}}\,$

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