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Why do Gr-2 metals not exist in free sta...

Why do Gr-2 metals not exist in free state in nature?

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Due to low ionisation enthalpies and high electropositive character, the alkaline earth metals are chemically very reactive and thus, they do not occur in free state in nature but occurs as silicates, carbonates, sulphates etc.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
  1. What happen when caustic soda beads are exposed to air for a long time...

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  2. How will you convert Na2CO3 into NaHCO3 and vice versa ?

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  3. Why do Gr-2 metals not exist in free state in nature?

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  4. Which out of Na^(+) and Mg^(+) ion, has greater polarising power and w...

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  5. The abundance of Be in the nature is very low -why?

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  6. What precautions should be taken while handling beryllium compounds an...

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  7. Explain why the elements of group-2 form M^(2+) ions but not M^(3+) io...

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  8. Arrange Be(OH)2, Ba(OH)2 & Ca(OH)2 in order of increasing solubility i...

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  9. How can you prepare propyne from magnesium carbide?

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  10. The reaction between marble and dilute H2SO4 is not used to prepare CO...

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  11. Why are the group-2 metals harder and have higher melting and boiling ...

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  12. Give some common tests used for detection of calcium compounds.

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  13. A white solid (A) when heated liberates a colourless gas which does no...

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  14. Compare the alkali metals and alkaline earth metals with respect to th...

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  15. Compare the alkali metals and alkaline earth metals with respect to th...

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  16. Compare the alkali metals and alkaline earth metals with respect to th...

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  17. Why halides of Be dissolve in organic solvents while those of Ba do no...

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  18. Name the important compound of Li used in organic synthesis. How the c...

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  19. What is the oxidation state of Kin KO2 and why is this compound parama...

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  20. Write the composition of gunpowder.

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