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NEET levelSingle correct optionDifficulty 1 of 3ph001

Which halogen exists as a liquid at room temperature and 1 atm?

A $I X_{2}$
B $F X_{2}$
C $Br X_{2}$
D $Cl X_{2}$

Answer: C

F X_{2}

and

Cl X_{2}

are gases,

I X_{2}

is a solid, and only

Br X_{2}

is a reddish-brown volatile liquid at room temperature. Hence

Br X_{2}

.

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