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Sodium bicarbonate (NaHCO(3)) on gentle ...

Sodium bicarbonate `(NaHCO_(3))` on gentle heting produces

A

`Na_(2)O_(3)+CO_(2)`

B

`Na_(2)CO_(3)+CO`

C

`NaCO_(3)+CO_(2)+H_(2)O`

D

`Na_(2)CO_(3)+CO+H_(2)O`

Text Solution

Verified by Experts

The correct Answer is:
C
Bicarbonates evolve carbon dioxide and turn into carbonates on gently warning. This is one test for bicarbonates in qualitative analysis.
`2MHCO_(3)overset(Delta)toM_(2)CO_(3)+CO_(2)+H_(2)O`
The thermal stability of bicarbonates increases down the groups with the increase of electropositive chracter of the metal.
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R SHARMA-THE S BLOCK ELEMENTS-Follow-up Test 4
  1. Which of the following is correct for monoxides (normal oxides) of alk...

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  2. On combustion in excess ofd air, lithium forms

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  3. Which of the following in incorrect for the hydroxides of alkali metal...

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  4. All alkali metal peroxides contain the [-O-O]^(2-) ion. They are

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  5. All alkali metal superoxides contain the ion [O(2)]. They are

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  6. The alkali metal halides (MX) are all high melting, colorless crystall...

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  7. Alkali metal halides have high negative enthalpies of formation. The D...

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  8. The magnitude of enthalphy of formation of alkali metal halides decrea...

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  9. Which of the following is soluble in organic solvents like ethanol ?

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  10. Which of the following has the maximum melting point but minimum solub...

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  11. Which of the following is the correct order of hyrated ionic radii ?

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  12. Which of the following compounds is almost insoluble in water ?

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  13. The melting and boiling points of alkali metal halides always follow t...

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  14. Which of the following are oxosalts ? (i) Carbonates , (ii) Nitrates...

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  15. Which of the following is nott true?

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  16. Which of the following alkali metal carbonates doesnot existin the sol...

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  17. Sodium bicarbonate (NaHCO(3)) on gentle heting produces

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  18. Which of the following has the maximum solubility in water?

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