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Which of the following statement is not ...

Which of the following statement is not correct

A

`BeF_(2)` forms complex ion with `NaF` in which Be goes with cation

B

`BeCO_(3)` is kept in the atmosphere of `CO_(2)` since it is least thermally stable

C

Be dissolves in alkali forming `[Be(OH)_(4)]^(-2)`

D

`BeF_(2)` forms complex ion with NaF in which Be goes with anion

Text Solution

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The correct Answer is:
A
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ALLEN-S-BLOCK ELEMENTS -EXERCISE
  1. When SiCI(4) vapours are passed over hot Mg, the products formed are

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  2. The metal A is prepared by the electrolysis of fused chloride. It reac...

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  3. Which of the following statement is not correct

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  4. Molten sodium chloride conducts electricity due to the presence of:

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  5. CO(2) gas along with solid (Y) is obtained when sodium salt (X) is hea...

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  6. Magnesium oxide can be obtained by heating :-

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  7. A compoud which can be used in space vehicles both to absorb CO(2) and...

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  8. Nitrate is converted into metal oxide on heating. This metal is:

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  9. There is loss in weight when mixture of Li(2)CO(3) and Na(2)CO(3).10H(...

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  10. Which of the following metal forms M(2)O(2) (peroxide)?

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  11. Which is main constitutent of egg-shell?

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  12. Baking powder contains:

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  13. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  14. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  15. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  16. A overset(Delta)rarrB (oxide) + CO(2) B + H(2)O rarr C C+ CO(2) ra...

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  17. Na(2)[Be(OH)(4)] is formed when:

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  18. Which is/are true statement(s) when metal carbides react with H(2)O?

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  19. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

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  20. Potassium is kept in

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