question_answer 1)

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

Answer:

  (c, d) 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.