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  • Which of the following explanations justifies for not placing hydrogen in either group of alkali metals or halogens?Option: 1 The ionization ene

Which of the following explanations justifies for not placing hydrogen in either group of alkali metals or halogens?

Option: 1

The ionization energy of hydrogen is too high for a group of alkali metals and too low for the halogen group.


Option: 2

Hydrogen atom does not contain any neutron.           


Option: 3

Hydrogen is much lighter than alkali metals or halogens.


Option: 4

Hydrogen can form compounds with almost all other elements.


Answers (1)

best_answer

Ionisation energy of hydrogen is \left ( 1312\; kj\; mol^{-1} \right )which is too high than that of alkali metals and low than that of halogens.

Therefore, Option(1) is correct.

Posted by

Ritika Harsh

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