Which of the following is a colourless gas?(a) Boron chloride(b) Boron fluoride(c) Boron Bromide(d) Boron iodideI had been asked this question by my school teacher while I was bunking the class.I'm obligated to ask this question of p-Block Elements topic in chapter p-Block Elements of Chemistry – Class 11

Which of the following is a colourless gas?(a) Boron chloride(b) Boron

1.	Which of the following is a colourless gas?(a) Boron chloride(b) Boron fluoride(c) Boron Bromide(d) Boron iodideI had been asked this question by my school teacher while I was bunking the class.I'm obligated to ask this question of p-Block Elements topic in chapter p-Block Elements of Chemistry – Class 11
Answer» Correct answer is (b) Boron fluoride Explanation: All the halides of Boron are trihalides, boron chloride is a COLOURLESS fuming liquid, boron fluoride is a colourless GAS, boron bromide is a colourless fuming liquid and Boron iodide is a white solid at room temperature, all these trihalides of boron are lewis ACIDS.

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