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  • Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?  Option: 1 Pyrophosphorus acid

Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?
 

Option: 1

Pyrophosphorus acid
 


Option: 2

Hypophosphoric acid
 


Option: 3

Phosphoric acid
 


Option: 4

Pyrophosphoric acid


Answers (1)

best_answer

\mathrm{(1)\, Pyrophosphorus \: acid \rightarrow \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_5 \rightarrow 5 \, oxygen \, atoms}

\mathrm{(2) \, Hypophosphoric\: acid \rightarrow \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_6 \rightarrow 6 \, oxygen \, atoms}

\mathrm{(3) Phosphoric \, acid \rightarrow \mathrm{H}_3 \mathrm{PO}_4 \rightarrow 4\, oxygen \, atoms}

\mathrm{(4)\, Pyrophosphoric \, acid \rightarrow \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7 \rightarrow 7\, oxygen \: atoms}

So,  pyrophosphoric acid was the highest number of oxygen atoms present.

Option (4) is correct.

Posted by

manish painkra

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