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Both lithium and magnesium display sever...

Both lithium and magnesium display several similar properties due to the diagonal relationship , however, the one which is incorrect is

A

Both form basic carbonates

B

Both form soluble biocarbonates

C

Both form nitrides

D

Nitrates of both Li and Mg yield `NO_2 and O_2 ` on heating

Text Solution

Verified by Experts

The correct Answer is:
A
Mg forms basic carbonate like
`3MgCO_3 . Mg(OH). 3H_2O` but Li forms only carbonate `(Li_2CO_3)` which is very less basic .
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MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -COMPETITION FILE ( MULTIPLE CHOICE QUESTION (B))
  1. Which of the following is covalent?

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  2. When 1 mole of a substance (X) was treated with an excess of water, 2 ...

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  3. Both lithium and magnesium display several similar properties due to t...

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  4. Dead burnt plaster is

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  5. Portland cement does not contain

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  6. Which of the following is least thermally stable ?

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  7. A metal on combustiion in excess air forms X.X upon hydrolysis with wa...

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  8. The correct statement(s) among I to III with respect to potassium ions...

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  9. What is the colour of the flame on heating potassium in the flame of a...

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  10. The metal nitrate that liberates NO2 on heating

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  11. Which among the following is correct for electrolysis of brine solutio...

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  12. What is diagonal relationship ? Discuss the diagonal relationship betw...

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  13. The metal that forms nitride by reacting directly with N(2) of air , i...

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  14. The incorrect statement is :

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  15. The correct order of hydration enthalpies of alkali metal ions is:

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  16. Match the following item in column I with the corresponding items in C...

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  17. The alkaline earth metal mitrate that does not crystallise with water ...

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  18. The correct sequence of thermal stability of the following carbonates ...

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  19. Magnesium powder burns in air to give :

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  20. The covalent alkaline earth metal halide ( X = Cl, Br, I ) is ...

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