When I have tried to find out the oxidation number of it I was unable to find out. Even I tried to drew the molecular structure but failed to get the oxidation number of H₂So₅. From this (link removed by mod) periodic table found some thing related to solve it.

Please help me to find out the name of this compound and it s atomic structure.

H₂SO₄ exists. I have never heard of H₂SO₅.

 

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Moderator Note

 

I have also temporarily removed the link to your blog. We don't allow advertising here, and we don't want people to make a post specifically to advertise their blog. The post only contained a picture of the periodic table anyway. It can easily be found through any search engine.

 

Please check our forum rules, section 2.7.

Peroxy sulfuric acid is the name you are looking for I believe.

 

What is the oxidation number of an oxygen in hydrogen peroxide? What is the oxidation number for an oxygen in sulfuric acid?

 

If you can answer these then your question is in the bag.