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p-Block Elements – II — Chemistry STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Chemistryp-Block Elements – II1 Mark
MCQ
Find the odd one out :
  • ✓
    $ \mathrm{PH}_3 $
  • B
    $ \mathrm{HPO}_3 $
  • C
    $ \mathrm{H}_3 \mathrm{PO}_3 $
  • D
    $ \mathrm{H}_3 \mathrm{PO}_4 $
✓

Answer

Correct option: A.
$ \mathrm{PH}_3 $
$PH _3$
Hint: $PH _3$ is hydrides of phosphorous and others are oxo acids of phosphorous.

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