The oxidation number of P in $\mathrm{H_3PO_4}$ is—

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• C-07-Q054The oxidation number of N in is—
• C-07-Q055The oxidation number of S in is—
• C-07-Q056The oxidation number of an atom in a homonuclear molecule like is—
• C-07-Q057Oxidation number and valency are—
• C-07-Q058The valency of an inert gas is—
• C-07-Q059The reaction is an example of—
• C-07-Q060is an addition reaction that is also called—
• C-07-Q061A reaction in which a compound breaks into one or more elements or molecules is called—
• C-07-Q062Heating gives — this reaction is—
• C-07-Q063Electrolysis of water is a—