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Which of the following compounds has the...

Which of the following compounds has the lowest melting point ?

A

`CaF_(2)`

B

`CaCl_(2)`

C

`CaBr_(2)`

D

`CaI_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
As the size of the halogen increases from F to I , covalent character increases from `CaF_(2)` to `CaI_(2)` and melting point decreases . So `CaI_(2)` has the lowest melting point .
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PRADEEP-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS) -Competition Focus JEE (Main and Advance)/Medical Entrance (Multiple Choice Questions (With One Correct Answer)) Group 2 Elements - Alkaline Earth Metals
  1. Among the following alkaline earth metal halides, one which is covalen...

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  2. Which of the following is covalent ?

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  3. Which of the following compounds has the lowest melting point ?

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  4. For tow ionic solids CaO and KI, identify the wrong statement among th...

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  5. Which of the following oxides is most acidic in nature ?

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  6. Property of the alkaline earth metals that increases with their atomic...

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  7. Which of the following is the weakest base ?

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  8. Which of the following is the strongest base ?

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  9. The decreasing order of basic character of K(2)O BaO , CaO and MgO is

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  10. Which one of the following order represents the correct sequence of th...

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  11. In which of the following pairs, each member produces the same gas whe...

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  12. When 1 mole of a substance (X) was treated with an excess of water, 2 ...

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  13. Among CaH(2),BeH(2),BaH(2), the order of ionic character is

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  14. The solubility in water of sulphate down the Be group is Be gt Mg gt C...

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  15. Solubility of the alkaline earth's metal sulphates in water decreases ...

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  16. Which one of the following alkaline earth metal sulphates has its hydr...

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  17. Which of the following compounds are readily soluble in water?

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  18. Choose the incorrect statement in the following :

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  19. The correct order of increasing thermal stability of K(2)CO(3),MgCO(3)...

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  20. The solution of which does not produce precipitate when treated with K...

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