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प्रश्न
A compound with low boiling point is ______.
पर्याय
Sodium chloride
Calcium chloride
Potassium chloride
Carbon tetrachloride
MCQ
रिकाम्या जागा भरा
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उत्तर
A compound with low boiling point is carbon tetrachloride.
Explanation:
Sodium chloride, potassium chloride, and calcium chloride are ionic compounds held together by exceptionally strong electrostatic forces of attraction, resulting in very high boiling points. In contrast, carbon tetrachloride (CCl4) is a covalent compound made of neutral molecules bound only by weak intermolecular Van der Waals forces. Because these weak forces require minimal thermal energy to break, carbon tetrachloride has a much low boiling point and exists as a volatile liquid at room temperature.
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पाठ 1: Periodic Properties and Variations of Properties: Physical and Chemical - Questions from ICSE Examinations [पृष्ठ २६]
