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Question : Which among the following has the highest boiling point?

Option 1: NaCl

Option 2: CaO

Option 3: CaCl2

Option 4: LiCl


Team Careers360 10th Jan, 2024
Answer (1)
Team Careers360 18th Jan, 2024

Correct Answer: CaO


Solution : The correct option is CaO.

CaO (Calcium Oxide) has the highest boiling point at around 2,850 degrees Celsius. CaO exhibits a higher boiling point due to its strong ionic bond arising from a larger charge difference between Ca 2+ and O 2- , along with a cubic crystal lattice maximizing attractive forces. The boiling points for the others are NaCl (Sodium Chloride) at 1,413 degrees Celsius, CaCl 2 (Calcium Chloride) at approximately 1,935 degrees Celsius, and LiCl (Lithium Chloride) at 1,382 degrees Celsius.

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