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Which of the folowing elements form pero...

Which of the folowing elements form peroxides when heated in excess of air?

A

`K`

B

`Na`

C

`Ba`

D

`Ca`

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
`Na+O_(2)rarrNa_(2)O_(2)`
`Ca+O_(2)rarrCaO_(2)`
`Ba+O_(2)rarrBaO_(2)`
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CENGAGE CHEMISTRY ENGLISH-S-BLOCK GROUP 2 - ALKALINE EARTH METALS-Exercises Multiple Correct
  1. Sodium sulphate is soluble in water,whereas barium sulphate is sparing...

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  2. Which of the following statements are false?

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  3. Which of the folowing elements form peroxides when heated in excess of...

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  4. The alkaline earth metals forming ionic oxides are

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  5. Which of the following groups of elements have properties that are mos...

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  6. Which of the following groups of elements have properties that are mos...

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  7. Magnesium burns in the atmoshphere of the following gases?

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  8. Which of the following properties show a reverse trend in moving down ...

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  9. In which of the following, hydration enthalpy is greater than the lat...

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  10. Which of the following statements (s) is/are not true about the diago...

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  11. yellow phosphorus on reaction with Ca(OH)(2) gives:

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  12. Which of the following pairs can be distinguished by the action of hea...

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  13. The hydration energy of Mg^(2+) is larger than that of:

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  14. Which among the following has the tendency to form covalent compounds?

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  15. Identify the correct statement(s).

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  16. Select the correct statements about barium:

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  17. Which of the following oxides have rock salt structure with coordinati...

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  18. Mg and Zn have the following resemblance:

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  19. Be and Al have the following resemblance due to diagonal relationship,

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  20. The correct statement(s) is//are

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