Question

Which of the following gas is lightest?

A

Dihydrogen

B

Helium

C

Dinitrogen

D

Dioxygen

Easy

Solution

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Correct option is
A

Dihydrogen

Dihydrogen is the lightest gas as its having two atoms of hydrogen, its molecular weight would be approximately . And remaining atoms are having more than two I.e., for respectively.

Solve any question of Hydrogen with:-

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