1.

Which of the following statements are not true for hydrogen?(i) It exists as diatomic molecule.(ii) It has one electron in the outermost shell.(iii) It can lose an electron to form a cation which can freely exist(iv) It forms a large number of ionic compounds by losing an electron.

Answer»

(iii, iv) It can lose an electron to form a cation which cannot freely exist.
Generally, it does not form ionic compounds by losing an electron but forms a large number of covalent compounds by sharing electron.



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