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2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
An isostere is
  • ✓
    $NO_2^ - $ and ${O_3}$
  • B
    $NO_2^ - $ and $PO_4^{3 - }$
  • C
    $C{O_2},\,{N_2}O,\,NO_3^ - $
  • D
    $ClO_4^ - $ and $OC{N^ - }$
✓

Answer

Correct option: A.
$NO_2^ - $ and ${O_3}$
a
(a) $NO_2^ - $ and ${O_3}$ are isostere. The number of atoms in these $( = 3)$ and number of electrons $(24)$ are same.

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