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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
A black sulphide ppt when treated with ozone becomes white, the white compound is
  • A
    $ZnSO_4$
  • B
    $CaSO_4$
  • C
    $BaSO_4$
  • ✓
    $PbSO_4$
✓

Answer

Correct option: D.
$PbSO_4$
d
Carbon and Nitrogen has a unique ability to form $p \pi-p \pi$ multiple bonds with itself and with other atoms of small size and high electronegativity.

Few examples of multiple bonding are $C = C , C = O , N = C$

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