1.

Which of the following statements are not true for hydrogen ?

Answer»

It exists as DIATOMIC molecule
It has one electron in the outermost shell
It can lose an electron to form a CATION which can FREELY exist
It forms a large number of ionic compounds by losing an electron.

Solution :`H^+`is never remain free because its always in small size so it EASILY combine with any atom or MOLECULES. It is easily form oxide, halides and sulphide like alkali metal but its high ionisation enthalpy its not contain metallic character in normal case.


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