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Which one of the alkali metals forms onl...

Which one of the alkali metals forms only the normal oxide, `M_(2)O`, on heating in air ?

A

Rb

B

K

C

Li

D

Na

Text Solution

Verified by Experts

The correct Answer is:
C
Li forms only the normal oxide , `Li_(2)O`.
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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))
  1. Alkali metals have negative reduction potential and hence they behave ...

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  2. The correct order of reducing character of alkali metals is

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  3. Which one of the alkali metals forms only the normal oxide, M(2)O, on ...

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  4. The main oxides formed on combustion of Li,Na and K in excess of air r...

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  5. Sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  6. Among the following compounds, the one that gets hydrolysed to form me...

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  7. KO(2) is used in oxygen cylinders in space and submarines because it

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  8. Which one of the following acts as a reducing as well as oxidising age...

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  9. The alkali metals form salt like hydrides by the direct synthesis at e...

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  10. Which of the following statements is false regarding alkali metals ?

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  11. The stability of the following alkali metal chlorides follows the orde...

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  12. In the case of alkali metals, the covalent character decreases in the ...

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  13. The correct order of increasing polarising power of the cations in the...

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  14. In the replacement reaction , The reaction will be most favourabl...

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  15. Which of the following compound is most stable ?

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  16. The low solubility of LiF and that of CsI in water are respectively du...

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  17. The alkali metal halide that is soluble in pyridine is

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  18. On dissolving moderate amount of sodium metal in liquid ammonia at low...

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  19. In organic reactions , metallic lithium in liquid ammonia behaves as

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  20. Mg and Li are similar in their properties due to

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