Chapter-4 - 11th - Liquids and Solids Preparation Multiple Questions and Answers.




11.Which of the following has the strongest intermolecular forces of attraction?
A. Hydrogen (H2)
B. Chlorine (Cl2)
C. iodine (I2)
D. Methane (CH4)

12.Which has the strongest bonding in the solid state?
A. Hydrogen Chloride (HCI)
B. Chlorine (Cl2)
C. Xenon(Xe)
D. Sodium Chloride (NaCI)

13.When substance moves from a solid to a liquid state all of the following changes occur except
A. Molecules become more disordered
B. K.E of the molecules decreases
C. Intermolecular forces become weaker
D. Molecule become further separated

14.When the atoms of the third layer are arranged in such a way that they directly lie above the atoms of the first layer then this arrangement is called
A. ABAB (hexagonal)
B. ABCABC (Cubic)
C. Orthorhombic
D. Rhombohedral

15.In order to mention the boiling point of water at 110?C the external pressure should be
A. Between 760 torr and 1200 torr
B. Between 200 torr and 760 torr
C. 765 torr
D. any value of pressure

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