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Assertion : Lithium is in diagonal relat...

Assertion : Lithium is in diagonal relationship with magnesium
Reason : `Li^+` has same size as `Mg^(2+)`

A

both assertion and reason are true and reason is the correct explanation of assertion

B

both assertion and reason are true but reason is not the correct explanation of assertion

C

assertion is true but reason is false

D

both assertion and reason are false

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The correct Answer is:
A
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. The metallic lusture exhibited by sodium is due to,

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  2. NaCl gives a golden yellow colour to the Bunsen flame which is due to.

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  3. Assertion : Lithium is in diagonal relationship with magnesium Reaso...

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  4. occurs in large amounts in sea water.

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

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  6. The most stable hydride of the following

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  7. Which hydroxide decomposes on heating ?

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  8. Which of the following halides has the highest melting point-

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  9. The polarising power of Mg is almost same as

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  10. Find out the correct statement with respect to alkali metals.

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  11. Assertion : Na2SO4 is soluble in water but BaSO4 is insoluble Reason...

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  12. Correct electronic configuration of Cr is

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  13. The radioactive element of group 2 element is

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  14. Alkaline earth metals exhibit oxidation state in their compounds.

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  15. Some of the Group 2 metal halides are covalent and soluble in organic ...

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  16. is a group 2 element which shows diagonal relationship with aluminium.

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  17. Alkaline earth metals form basic hydroxides. The metal hydroxide which...

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  18. is unstable in air and is kept in CO2 atmosphere to avoid decompositio...

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  19. Which one of the following alkaline earth metal carbonates is thermall...

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  20. is the cofactor of all enzymes that utilize ATP in phosphate transfer ...

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