In which of the following compounds, nitrogen exhibits highest oxidation state?

For Competitive Exams

N₃H

NH₂OH

N₂H₄

NH₃

Next Question

Three reactions involving H₂PO–
4 are given below

(i) H₃PO₄ + H₂O → H₃O⁺ + H₂PO–
4

(ii) H₂PO–
4 + H₂O → HPO2–
4 + H₃O⁺

(iii) H₂PO–
4 + OH^– → H₃PO₄ + O^2–

In which of the above does H₂PO–
4 act as an acid?

Share with Friends