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STD 12 - p -Block elements - ll — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 12 - p -Block elements - ll4 Marks
MCQ
Which of the following statements is not correct regarding $NO_2$ molecule
  • A
    Paramagnetic behaviour decreases when it undergoes in dimerisation
  • ✓
    It is coloured in its dimeric form
  • C
    It is brown colour gas
  • D
    The free electron is present in one of the $sp^2$ hybrid orbital
✓

Answer

Correct option: B.
It is coloured in its dimeric form
b
$\underset{\begin{smallmatrix} 
 Brown\,\,\,\,colour \\ 
 \,(Paramagnetic) 
\end{smallmatrix}}{\mathop{2N{{O}_{2}}}}\,\,\,\to \,\,\underset{\begin{smallmatrix} 
 Diagmagnetic \\ 
 Colourless 
\end{smallmatrix}}{\mathop{{{N}_{2}}{{O}_{4}}}}$

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