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Which of the following metal has stable ...

Which of the following metal has stable carbonates ?

A

Na

B

Mg

C

Al

D

Si

Text Solution

Verified by Experts

The correct Answer is:
A
When carbonates are heated they decompose to form the oxide. Sodium carbonate and potassium carbonate do not decompose. The carbonate become more difficult to decompose as we go down the group.
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. Which of the following reacts with water with high rate ?

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  2. The cell used for the electrolysis of fused NaCl is

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  3. Which of the following metal has stable carbonates ?

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  4. Photoelectric effect is the maximum in

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  5. The product obtained on fusion of BaSO(4) and Na(2)CO(3) is

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  6. The most stable compound is

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  7. In the Castner's process for the extration of sodium, the anode is mad...

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

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  9. The metal that produces red violet colour in the non - luminous flame ...

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  10. Which one of the following on hydrolysis, gives the corresponding meta...

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  11. In the graph below, the one which present an alkali metal with the hig...

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

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  13. For alkali metals, which one of the following trends is incorrect ?

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  14. Choose the incorrect statement in the following

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  15. Which of the following alkali metals has the biggest tendency of the h...

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  16. Pyrolusite is

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  17. An inorganic compound first metls then resolidifies and then liberates...

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  18. Which of the following does not participate in the solvay's process f...

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  19. Sodium metal is extracted by

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  20. Which physical property in the alkali metal group increases with atomi...

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