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Which compound on heating produces colo...

Which compound on heating produces coloured metal oxide finally?

A

`Al_(2)(SO_(4))_(3)`

B

`HgCO_(3)3Hg(OH)_(2)`

C

`Cu(NO_(3))_(2)`

D

`Ba(OH)_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`Cu(NO_(3))_(2)overset(Delta)tounderset(("Brown"))(CuO)+2NO_(2) uarr+(1)/(2)O_(2)uarr`
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VK JAISWAL ENGLISH-TYPES OF REACTIONS-LEVEL 2
  1. Which of these reaction is correct?

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  2. Compound which on heating produces paramagnetic acidic gas?

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  3. Which compound on heating produces coloured metal oxide finally?

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  4. underset(("Coloured solution"))(P)+BaCl(2) to underset(("White"))(Qdar...

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  5. Oxygen gas is not produced from the following decomposition reaction:

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  6. Consider the following reaction and select incorrect statement about g...

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  7. Which of the following ionic/molecular species does not disproportiona...

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  8. Which halogen oxidizes water at room temperature but does not undergo ...

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  9. Which of the following combination does not evolve Cl(2) gas?

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  10. Which of the following combination does not liberated NH(3) gas?

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  11. Which of the following compound on heating does not produce metal oxid...

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  12. Select the compound in which HCl is not the product of Hydrolysis:

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  13. How many moles of H(2)O are liberated when one mole hydrated MgCl(2) i...

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  14. Consider the following sequence of reaction: M^(2+)(aq.) overset(NH(...

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  15. Which of the following compound does not liberated oxygen gas on warmi...

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  16. One of the hydrolysed product of the following compound does not react...

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  17. M("Salt")+"Dil. "HCl overset(Warm)to P+Q uarr+H(2)O gas 'Q' changes ...

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  18. Pb+dil." "HNO(3) overset(warm)to P+Quarr+H(2)O incorrect statement f...

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  19. In which of the following redox reaction precipitate is not formed?

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  20. Which metal sulphide is soluble in excess NH(3) solution?

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