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Give reasons why hydrogen resembles alkali metals ? |
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Answer» Solution :HYDROGEN resembles alkali metals, i.e. Li, Na, K, Rb, Cs and Fr of group 1 of the periodic table in the following respects. (i) Like alkali metals, hydrogen also contain one electron in its OUTERMOST orbit. It like alkali metal it gave + 1 oxidation state. (ii) Like alkali metals, hydrogen also loses its only electron to form hydrogen ion, i.e., `H^+`. (iii) Like alkali metals, hydrogen combines with ELECTRONEGATIVE elements such as oxygen, halogens and sulphur forming their oxides, halides and SULPHIDE respectively. (iv) Like alkali metals, hydrogen also acts as a strong reducing agent. |
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