When red phosphorous is heated with HNO3 it forms:
Correct answer: A. H3PO4
- A. H3PO4
- B. HPO2
- C. H2PO3
- D. H3PO3
Explanation
Red phosphorus react with nitric acid to produce phosphoric acid, nitrogen dioxide and water.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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