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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
Arrange in the order of increasing basic character $(NO_2, K_2O, ZnO)$
  • ✓
    $NO_2, ZnO, K_2O$
  • B
    $K_2O, ZnO, NO_2$
  • C
    $ZnO, NO_2, K_2O$
  • D
    $K_2O, NO_2, ZnO$
✓

Answer

Correct option: A.
$NO_2, ZnO, K_2O$
a
$SiO_2$ is a giant covalent molecule with regular $3-D$ tetrahedral shape.

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