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Which of the following is formed when CO...

Which of the following is formed when `CO_(2)` gas is passed through an aqueous solution of sodium chromate ?

A

`Cr(OH)_3` is precipitated

B

Yellow solution of `Cr_(2)(CO_(3))_(3)` is formed

C

Orange solution of `Na_(2)Cr_(2)O_(7)` is formed

D

No reaction

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. The most electropositive element in alkali metals is .

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  2. Composition of borax (Tincal) is

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  3. Which of the following is formed when CO(2) gas is passed through an a...

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  4. Sodium hydride (NaH) when dissolved in water, produces

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  5. Which one of the following salts gives aqueous solution which is weakl...

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  6. Sn is dissolved in excess of NaOH solution, the compound obtained is

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  7. The word 'alkali' is used for alkali metals indicates

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  8. Potassium nitrate is called

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  9. Which of the following is most reducing agent

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  10. Which of the following has smaller size

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  11. Sodium pyrophosphate is represented by which of the following formula

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  12. Based on lattice energy and other considerations which one of the foll...

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  13. Which of the following is the most electropositivite element?

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  14. Which of the following carbonate decompose on heating to evolve CO(2)?

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  15. When sodium chloride solution is electrolysed , the gas that is l...

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  16. Which of the following statements about LiCl and NaCl is correct ?

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  17. Which alkali methal is most meallic in character?

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  18. Consider the following abbreviations for hydrated alkali ions X=[Li(H(...

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  19. Which of the following is least thermally stable ?

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  20. Sodium carbonate is manufactured by Solvay process, the products that ...

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