Cartain materials such as turpentine oil, unsaturated organic compound, phosophorus, metals such as `Zn`, and `Pb`, etc., can absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to `H_(2)O_(2)`. This is called autoxidation. Intermolecular redox reactions are those in which one molecule is oxidised and the other is reduced. Intramolecular redox reactions are those in which oen atom of a molecule is oxidised and the other atom is reduced. Which of the following reactions is`//`are auto redox or induced oxidation reaction `(s)`A. `Pb+O_(2)+H_(2)OrarrPbO+H_(2)O_(2)`B. `Na_(2)SO_(3)+Na_(3)AsO_(3)+O_(2)rarrNa_(2)SO_(4)+Na_(3)AsO_(4)`C. `RCH=CHR+O_(2)+2H_(2)Orarr2RCH=O+2H_(2)O_(2)`D.

Cartain materials such as turpentine oil, unsaturated organic compound

1.	Cartain materials such as turpentine oil, unsaturated organic compound, phosophorus, metals such as `Zn`, and `Pb`, etc., can absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to absorb `O_(2)` from air in the presence of `H_(2)O`, which is converted to `H_(2)O_(2)`. This is called autoxidation. Intermolecular redox reactions are those in which one molecule is oxidised and the other is reduced. Intramolecular redox reactions are those in which oen atom of a molecule is oxidised and the other atom is reduced. Which of the following reactions is`//`are auto redox or induced oxidation reaction `(s)`A. `Pb+O_(2)+H_(2)OrarrPbO+H_(2)O_(2)`B. `Na_(2)SO_(3)+Na_(3)AsO_(3)+O_(2)rarrNa_(2)SO_(4)+Na_(3)AsO_(4)`C. `RCH=CHR+O_(2)+2H_(2)Orarr2RCH=O+2H_(2)O_(2)`D.
Answer» Correct Answer - A::B::C::D `(a), (b)`, and `(c )` are auto or induced redox reaction. `(d)` is a disproportionation reaction.

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