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The property of hydrogen of forming diatomic molecule is from ______________

(a) halogen

(b) alkali metal

(c) noble gas

(d) d-block

I got this question in an international level competition.

My doubt stems from Position of Hydrogen in the Periodic Table topic in portion Hydrogen of Chemistry – Class 11

1 Answer

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Best answer
Right option is (a) halogen

Best explanation: As we know that hydrogen is an alkali metal as well as a halogen. It has properties of both alkali metals and halogens, the property of formation of a diatomic molecule is from halogens, but not from alkali metals.

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