CHEM 1212/am L. Multigle Cheice Questions j6o pls I. Which of the A cevalent bon

Question

CHEM 1212/am L. Multigle Cheice Questions j6o pls I. Which of the A cevalent bond ydrogen bond C. lonic bond D. metallie bond 2. Which of the following would you expect to have the lowest meling poin B. Kr 3. The hydrogen bond accounts for which of the following observation? A. Methane exists as a gas phase molecule in the standard condition. (25·C, B. Hydrogen is easily combustible with oxygen. C. ainn). Water molecules are bent or "V-shaped. For its molar mass, water has a rather high boiling point. 4. In an aqueous solution of NaCl, the dominant force interaction between the solute particles and the solvent molecules is A dispersion force B. dipole-dipole force C. hydrogen bonding D. ion-dipole fiorce 5. The molecules in a sample of HCKg) are attracted to each other by a combination of A. dipole-dipole force and dispersion force B. hydrogen bond and ion-dipole force C dipole-dipole force and hydrogen bond D. dispersion force and ion-dipole force 6. Which of the following liquids should have the lowest surface tension? A. NH(D B. CHa(D) C. CH CIC D.Hoor) 7. When a polar liquid displays a convex meniscus, which of the following explains this behavior? A. The liquid has a low viscosity B. The cohesive forces in the liquid> the adhesive forces to the wall of container C. The cohesive forces in the liquid

Explanation / Answer

3)For it's molar mass, water has a rather high boiling point is account for hydrogen bonding. option D is correct.

Explanation: water has high boiling point due to the presence of hydrogen bonding. hydrogen bond is a strong intermolecular forces of attraction requires high energy to break.

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