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Chemistry formula for class 12 chapter- P-block

Chemistry Formulas

Class 12 chapter- P-block

Minerals of VA group elements

  • Salt petre KNO3
  • Chile salt petre NaNO3
  • Fluropatite {3Ca3(PO4)2.CaF2}
  • Chlorapatite {3Ca3(PO4)2.CaCl2}
  • Hydroxyapatite {3Ca3(PO4)2.Ca(OH)2}
  • Phosphorite rock {Ca3(PO4)2}
  • Realgar {As2S3}
  • Orpiment - {Sb2S3}
  • Bismuth glance or Bismithinite - {Bi2S3}
  • Bismuth ochre or Bismite {Bi2O3}
  • Bismuthite {(BiO)2CO3}

Hydrides of N and P

  • Ammonia - NH3
  • Hydrazine - H2N - NH2
  • Hydrazoic acid - N3H
  • Phosphine - PH3
  • Diphosphine - P2H4
  • Tetraphosphine - P4H6

Oxides of Nitrogen 

Name Formula O.S of Nitrogen
Nitrous oxide N2O +1
Nitric oxide NO +2
Nitro gen sesquioxide N2O3 +3
Nitrogen dioxide NO2 +4
Dinitrogen tetraoxide N2O4 +4
Dinitrogen pentoxide N2O5 +5

Oxides of P

Phosphorus trioxide - P2O3 (or) P4O6

Phosphorus pentoxide - P2O5 (or) P4O10

Halides of N & P

Nitrogen trichloride - NCl3

Phosphorous trichloride - PCl3

Phosphorous pentachloride PCl5

Name Formula Basicity O.S of Nitrogen
Hyponitrous acid H2N2O2

or ENO

2

(Dimeric form)

+1
Nitrous acid HNO2 1 +3
* Nitric acid HNO3 1 +5
Pernitric acid HNO4 1 +5
Name Formula Basicity O.S of Nitrogen
Hypophosphorous aicd H3PO2 1 +1
Meta phosphorous acid HPO3 1 +3
Ortho Phophosphorous acid H3PO3 2 +3
Metaphosphoric acid HPO2 1 +5
Pyrophosphoric acid H4P2O1 4 +5
Hypophosphoric acid H4P2O6 4 +4
Peroxy phosphoric acid H3PO3 3 +5

Super phosphate of lime- Ca(H2PO4)2 + 2(CaSO4.2H2O)

Triple super phosphate – 3Ca(H2PO4)2

Chemistry formula sheet for chapter-P-block is prepared by expert of Physics Wallah and consist of all-important formula use in P-block chapter. Find NCERT solutions prepared by experts of Physics Wallah. Students can also get the CBSE Important Questions for class 12 Chemistry. Students can also access the Class 12 Chemistry Notes from here. 

 

Download free pdf sheet which consist of formulas and important points of P-block from the link given below . 

Chemistry formula for class 12 chapter- P-block

Chemistry formula for class 12 chapter- P-block

Chemistry formula for class 12 chapter- P-block

Chemistry formula for class 12 chapter- P-block

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