We know air mostly contains (O 2 , N 2 ), What happen when group-I and group-II elements of s-block react with exess of air?
Group-I Elements | + O2 (Major product) | + N2 (product) | Group-II Elements | + O2 (Major product) | + N2 (product) |
Li | …………. | ………. | Be | ……………. | ……………. |
Na | ……..…. | ………. | Mg | ……………. | ……………. |
K | ……….. | ………. | Ca | ……………. | ……………. |
Rb | ……….. | ………. | Sr | ……………. | ……………. |
Cs | ………… | ………. | Ba | ……………. | ……………. |
Text Solution
Verified by ExpertsCHECK THE SOLUTION.
Group-I Elements | + O2 (Major product) | + N2 (product) | Group-II Elements | + O2 (Major product) | + N2 (product) (Only on strong heating) |
Li | Li2O (Oxide) | Li3N | Be | BeO | Be3N2 |
Na | Na2O2 (Peroxide) | It does not react | Mg | MgO | Mg3N2 |
K | KO2 (superoxide) | It does not react | Ca | CaO | Ca3N2 |
Rb | RbO2 (superoxide) | It does not react | Sr | SrO2 | Sr3N2 |
Cs | CsO2 (superoxide) | It does not react | Ba | BaO2 | Ba3N2 |
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