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Chapter 12: 12.105P (page 497)

Distinguish between isotropic and anisotropic substances. To which category do liquid crystals belong?

Short Answer

Expert verified

Liquid crystal flowslike a liquid and has crystalline structure.

Step by step solution

01

Step 1:Definition

Liquid crystal is the state of matter having properties between crystalline solid and liquid.

Depending upon the structure, direction, chemical bonding etc we can easily differentiate the material.

CHARACTERISTICS

ISOTROPIC

ANISOTROPIC

LATTICE STRUCTURE

No regular

Regular

DIRECTION

Independent

Dependent

CHEMICAL BONDING

Consistent

Uncertain

REFRACTIVE INDEX

Only one

More than one

USES

Lenses

Polarizers

EXAMPLE

Glass

Wood

02

Conclusion

Liquid crystal belongs to theanisotropic substance because its alignment depends upon direction.

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Most popular questions from this chapter

Question: What type of forces, intramolecular or intermolecular:

  1. Prevent ice cubes from adopting the shape of their container?
  2. Are overcome when ice melts?
  3. Are overcome when liquid water is vaporized?
  4. Are overcome when gaseous water is converted to hydrogen gas and oxygen gas?

Which member in each pair of liquids has the higher vapour pressure at a given temperature? Explain.

(a) C2H6or C4H10 (b) CH3CH2OHorCH3CH2F (c) NH3orPH3

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(a) Name the type of force being depicted in each scene.

(b) Rank the forces in order of increasing strength.
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