Question

Among trihalides of boron, how many are in
gaseous state at room temperature (25°C)?
BF3, BC13, BB13, B13​

Answer 1

Answer:

Boron trihalides consist of trigonal-planar BX_(3) molecules. Unlike the halides of the other elements in the group they are monomeric in the gas, liquid and solid states, BF_(3) and BCl_(3) are gases, BBr_(3) is a volatile liquid and BI_(3) is a solid.

Explanation:

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