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  • Successive Ionization energy of a metal element <img alt="\mathrm{'M' \: is\: x \: kJ/mol, 2\: x \: kJ/mol, 20\: x \: kJ/mol \: and \: 22\: x \: kJ/mol}" src="/latex-image/?%5Cmathrm%7B%27M%27%20%5

Successive Ionization energy of a metal element \mathrm{'M' \: is\: x \: kJ/mol, 2\: x \: kJ/mol, 20\: x \: kJ/mol \: and \: 22\: x \: kJ/mol}. Which among the following option gives the formula of the metal halide. respectively

Option: 1

\mathrm{MX}


Option: 2

\mathrm{MX_2}


Option: 3

\mathrm{MX_3}


Option: 4

\mathrm{M _2X}


Answers (1)

best_answer

It is observed that there is a big jump from \mathrm{IE_2\: and\: IE_3.} It implies that it requires huge
ionisation energy to remove third electron from the element. The element must be
belonging to Group 2 and has two valence shell electrons.
Halides of Group 2 elements form have the general formula \mathrm{MX_2.}

Hence Option 2 is correct.

Posted by

manish painkra

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