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Group-II elements react with water evolv...

Group-II elements react with water evolving hydrogen. This reactivity increases down the group from Be to Ba. They displace hydrogen from acids except Be with oxygen Be, Mg and Ca form monoxides while Sr, Ba and Ra form peroxides on heating with hydrogen, they form metal hydrides except Be with carbon, they form carbides on heating such as acetylides, methanides and allylides. When heated with halogens they form halides having different properties.
Least ionic carbide is formed by

A

`Be`

B

`Mg`

C

`Ca`

D

`Sr`

Text Solution

Verified by Experts

The correct Answer is:
A
Least ionic carbide is formed by berllium.
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Group-II elements react with water evolving hydrogen. This reactivity increases down the group from Be to Ba. They displace hydrogen from acids except Be with oxygen Be, Mg and Ca form monoxides while Sr, Ba and Ra form peroxides on heating with hydrogen, they form metal hydrides except Be with carbon, they form carbides on heating such as acetylides, methanides and allylides. When heated with halogens they form halides having different properties. Ionic hydride is not formed by

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AAKASH SERIES-ALKALINE EARTH METALS-Practice sheet (Level-II(Advanced))
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  2. A major constituent of portland cement is?

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  3. In alkaline earth metals, the electrons are more firmly held to the nu...

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  4. The density of calcium is less than that of magnesium because.

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  5. "Be" differs from rest of the elements of the IIA group due to

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  6. Which of the following compounds ae correctly related

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  7. Which of the following is/are corret statements ?

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  8. The incorrect statements (S) is/are

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  9. Select the incorrect statement about Barium

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  10. Group-II elements react with water evolving hydrogen. This reactivity ...

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  11. Group-II elements react with water evolving hydrogen. This reactivity ...

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  12. Group-II elements react with water evolving hydrogen. This reactivity ...

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  13. BeO and Be(OH)(2) are amphoteric while the oxides and hydroxides of ot...

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  14. BeO and Be(OH)(2) are amphoteric while the oxides and hydroxides of ot...

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  15. BeO and Be(OH)(2) are amphoteric while the oxides and hydroxides of ot...

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  16. Match the following columns

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  17. Match the following columns

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  18. underset([S])([M(NH(3))(6)]^(2+)) to underset([S])(M(NH(2))(2))+xunder...

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  19. Which coordinated numbered complexes are formed by EDTA with most meta...

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  20. For a good quality cement the ratio of (CaO)L (lime quick) to SiO(2), ...

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