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Which compound forms a colourless soluti...

Which compound forms a colourless solution when dissolved in `H_(2)O`?

A

`Co(NO_(3))_(2)`

B

`KMnO_(4)`

C

`Na_(2)Cr_(2)O_(7)`

D

`ZnCI_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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GRB PUBLICATION-SALT ANALYSIS-B. Dry Tests/Colour/Solubility/Heating Effects
  1. Solutions of which ion produce a red colour when vaporized in a Bunsen...

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  2. A solid is insoluble in water, does not conduct electricity, and does ...

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  3. Which compound forms a colourless solution when dissolved in H(2)O?

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  4. When phenolphthalein is added to an aqueous solution containing one of...

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  5. Which solute has the greatest solubility (in mol/L) in water at 25^(@)...

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  6. Which solid is much more soluble in 1MHCI than in H(2)O?

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  7. A metal dissolves in dilute HCI in the absence of air to form a pale g...

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  8. A sample of white solid is known to be NaHCO(3), AgNO(3),Na(2)S, or Ca...

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  9. A metal dissolves in 3.0M NaOH solution with evolution of gas to form ...

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  10. Which metal reacts most vigorously with water ?

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  11. Each of the following forms a coloured aqueosu solution except:

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  12. The aqueous solution of the following salts will be coloured in the ca...

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  13. The cation of the metal, which gives gree colour bead in cobalt charco...

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  14. Colour of cobalt chloride solution is:

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  15. Which salt is colourless?

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  16. What colour does the strontium ion produce in a flame test?

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  17. A flame test was performed to confirm the identity of a metal ion in s...

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  18. Which solid is most soluble in water at 25^(@)C?

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  19. What is the characteristic colour of the flame test for potassium?

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  20. In Borax bead test the coloured ions give characteristic coloured bead...

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