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Name the alkali metals which form supero...

Name the alkali metals which form superoxides when heated with excess oxygen.

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K, Rb and Cs
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -EXERCISE (VERY SHORT-TYPE QUESTIONS)
  1. Which alkali metal ion has the highest polarising power?

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  2. What are the common oxidation states exhibited by group-1 and group-2 ...

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  3. Name the alkali metals which form superoxides when heated with excess ...

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  4. Which one is lightest and which one is heaviest of all the metals?

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  5. What is the composition of the white powder obtained when metallic mag...

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  6. Name two metals of group-2 which do not impart any colour to the flame...

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  7. Which alkali metal cannot be stored in kerosene?

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  8. Which alkali metal is used as a scavenger in metallurgy to removeO2 an...

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  9. Which Gr-2 metal carbide reacts with water to produce methane?

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  10. In aqueous solution, which alkali metal ion has the lowest mobility?

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  11. Which is the most abundant alkaline earth metal in the earth's crust?

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  12. Name one biologically important complex formed by a group-2 metal.

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  13. Which alkali metal ion forms a stable complex with 18- crown-6

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  14. Which alkaline earth metal is largely used as a light weight construct...

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  15. Which alkaline earth metal forms an organometallic compound known as G...

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  16. Which alkali and alkaline earth metals are radioactive in nature?

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  17. The salts of which alkali metal are commonly hydrated?

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  18. Which alkali metal acts as the strongest reducing agent in aqueous sol...

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  19. Which is the least stable alkali metal carbonate?

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  20. What is baryta water?

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