Q. When iron reacts with oxygen in the presence of water it produces

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Q. The fuel in space shuttle's rocket burns due to the occurrence of

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Q. The reaction in which oxidation and reduction takes place at same time is called as

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Q. Gain of oxygen (O⁻²) by an element is termed as

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Q. The lowest relative melting point among the four oxides is of

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Q. Oxide with very high relative melting point is

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Q. Oxidation state +2 of a compound have greater ionic character than oxidation state of

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Q. Element to oxidize with low oxidation state needs

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Q. The relative stability of oxidation states +2 and +4 decreases

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Q. The oxidation number of chromium in K₂Cr₂O₇

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Q. Elements in free state have oxidation state

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Q. In KMnO₄, oxidation state of Mn is

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Q. In the reaction 2Fe + 3Cl₂ → 2FeCl₃

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Q. The apparent charge on an atom of an element in a molecule or an ion is called

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Q. All are oxidizing agents except

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Q. The term redox reaction involves

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Q. The batteries we use daily involve reaction

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Q. Some important reducing agents are

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Q. Reduction can be explained as

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Q. Oxidation always takes place at the electrode

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