Liquids and Solids

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Liquids and Solids Here are MCQ's from chapter 4 Liquids and Solids Book 1. Read Questios carefully and answer them all

1. Force of attractio between O2 and water is

A) H bond
B) London's force
C) Debye force
D) Dipole-dipole force

2. Which of the following pair of nitrogenous bases form triple h-bonding in DNA?

A) C-O
B) C-T
C) A-T
D) A-G

3. A factor, which does not affect vapor pressure of a liquid

A) Temperature
B) Pressure
C) Volume
D) Intermolecular forces

4. Liquid crystals were introduced by a scientist

A) Wohler
B) Reintzer
C) Mischer
D) Willian Crooks

5. Which of the following property of water has highest value?

A) Intermolecular forces
B) Delta Hf
C) Delta Hv
D) All have equal values

6. Contribution of Cl-ions at corner of a unit cell is

A) 1
B) 2
C) 3
D) 4

7. C-C bond length in diamond is

A) 120 pm
B) 134 pm
C) 139 pm
D) 154 pm

8. Sugar is

A) Ionic solid
B) Covalent solid
C) Molecular solid
D) Atomic solid

9. Which of the following theory of metallic bonding is also called as band theory

A) Electron pool theory
B) Valence bond theory
C) Molecular orbital theory
D) Electron gas theory

10. Crystallographic elements are

A) a,b,c
B) alpha,beta,gamma
C) both
D) none