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Which of the following statements is tru...

Which of the following statements is true?

A

Molecular crystals are very hard and incompressible.

B

Ionic crystals have very low volatility.

C

Metallic bond is directional and rigid.

D

Boron nitride has an ionic crystal structure.

Text Solution

Verified by Experts

The correct Answer is:
B
Ionic crystals have very high melting and boiling points and hence, low volatility.
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MTG GUIDE-SOLID STATE -NEET CAFE (TOPICWISE PRACTICE QUESTIONS)
  1. Which of the following properties does not define a crystalline solid?

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  2. Solid CO2 is an example of

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  3. Which of the following statements is true?

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  4. Match column I with column II and select the correct answer.

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  5. Graphite is a soft solid lubricant, extremely difficult to melt. The r...

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  6. Which one has the highest melting point?

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  7. Which of the following is a pseudo solid?

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  8. Which solid will have weakest intermolecular forces?

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  9. Which of the following is an example of polycrystalline solid?

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  10. The interparticle forces in solid hydrogen are

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  11. Which among the following will show anisotropy?

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  12. Which one of the following forms a molecular solid when solidified?

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  13. The pure crystalline substance when heated gradually first forms a tur...

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  14. The major binding force in diamond, silicon and quartz

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  15. To which of the following systems does copper belong?

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  16. For two ionic solids CaO and KI, identify the wrong statement among th...

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  17. Which of the following statements about amorphous solids is incorrect?

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  18. Which of the following is not correct for ionic crystals?

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  19. Quartz is a crystalline variety of

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  20. The number of unit cells in 58.5 g of NaCl is nearly

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