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Interstitial compounds are formed when s...

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic property of interstitial compounds ?

A

They have high melting points in comparison to pure metals.

B

They are very hard.

C

They retain metallic conductivity.

D

They are chemically very reactive

Text Solution

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The correct Answer is:
D
They are chemically very reactive
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Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following is not the characteristic properties of interstitial compounds? I. They have high melting points in comparison to pure metals. II. They are very hard. III. They retain metallic conductivity. IV. They are chemically very reactive.

Interstitial compounds are formed when small atoms are trapped inside the crystal lattice of metals. Which of the following are the characteristic properties of interstitial compounds? I. They have high melting points in comparison to pure metals. II. They are very hard. III. They retain metallic conductivity. IV. They are chemically very reactive.

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ICSE-d- AND- f- BLOCK ELEMENTS-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN : )
  1. The electronic configuration of Cu(II) is 3d^9 whereas that of Cu(I) i...

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  2. Metallic radii of some transition elements are given below. Which of t...

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  3. Generally transition elements form coloured salts due to the presence ...

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  4. On addition of small amount of KMnO(4) to concentrated H(2)SO(4), a g...

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  5. The magnetic nature of elements depends on the presence of unpaired el...

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  6. Which of the listed oxidation states is common for all lanthanoids ?

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  7. Which of the following reactions are disproportionation reactions ? ...

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  8. When KMnO4 solution is added to oxalic acid solution, the decolourisat...

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  9. There are 14 elements in actinoid series. Which of the following eleme...

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  10. KMnO(4) acts as an oxidising agent in acidic medium. The number of mol...

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  11. Which of the following is amphoteric oxide? Mn(2)O(7), CrO(3), C...

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  12. Gadolinium belongs to 4f series. It's atomic number is 64. Which of th...

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  13. Interstitial compounds are formed when small atoms are trapped inside ...

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  14. The magnetic moment is associated with its spin angular momentum and o...

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  15. KMnO(4) acts as an oxidising agent in alkaline medium. When alkaline K...

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  16. Which of the following statements is not correct ?

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  17. When acidified K2Cr2O7 solution is added to Sn^(2+) salts, then Sn^(2+...

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  18. Highest oxidation state of manganese in fluorides is +4(MnF4) but hig...

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  19. Although Zirconium belongs to 4d transition series and Hafnium to 5d t...

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  20. Why is HCl not used to make the medium acidic in oxidation reactions o...

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