Home Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) Hydrogen Which of the following explanations justifie…
Chemistry Hydrogen and Its Compounds ( Not in Syllabus ) Hydrogen Single Correct MCQ
Published on: August 13, 2026

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

A
The ionization energy of hydrogen is too high for group of alkali metals and too low for halogen group.
B
Hydrogen atom does not contain any neutron.
C
Hydrogen is much lighter than alkali metals or halogens.
D
Hydrogen can form compounds with almost all other elements.

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Text Solution

Verified by Experts
The correct answer is:
A

Ionisation energy of hydrogen is (1312 kJ mol –1 ) which is too high than that of alkali metals and low than that of halogens.

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