Which of the following halogen exists as a solid at room temperature?(a) Chlorine(b) Fluorine(c) Iodine(d) BromineThe question was asked in examination.My enquiry is from P-Block topic in chapter P-Block Elements of Chemistry – Class 12

Which of the following halogen exists as a solid at room temperature?(

1.	Which of the following halogen exists as a solid at room temperature?(a) Chlorine(b) Fluorine(c) Iodine(d) BromineThe question was asked in examination.My enquiry is from P-Block topic in chapter P-Block Elements of Chemistry – Class 12
Answer» Correct answer is (b) Fluorine To explain: The strength of the van der Waals between MOLECULES forces increases as the size of the HALOGEN increases from fluorine to iodine. As a result, F2 and Cl2 are GASES at room temperature, Br2 is a liquid whereas I2 is a SOLID.

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