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In moist air, copper corrodes to produce...

In moist air, copper corrodes to produce a green layer on the surface. Give reason.

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In moist air, copper reacts with oxygen `O_2` moisture `H_2O` and `CO_2` to produce basic copper corbonate. Which is green in colours.
`2Cu+O_2+H_2O+CO_2toCuCO_3.Cu(OH)_2darr`
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CENGAGE CHEMISTRY-APPENDIX INORGANIC VOLUME 2-Short Answer Type
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  2. An ore has impurities which are attracted by magnet suggest process fo...

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  3. In moist air, copper corrodes to produce a green layer on the surface....

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  4. The value of triangle(f)G^(ɵ)(Cr2O3)=-540kJmol^-1 and triangle(f)G^(ɵ)...

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  5. What do you understand by roasting in presence of NaCl?

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  6. Why NF3 cannot be hydrolysed, while NCl3 can be readily hydrolysed?

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  7. Why NI5 does not exist While PCl5 exists?

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  8. Why the boiling point of ammonia is greater than phosphine?

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  9. Why NO is paramagnetic?

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  10. Give reason why elemental nitrogen exitsts as diatomic molecule wherea...

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  11. Why nitrogen gas is inert?

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  12. Why phosphorus is more reactive than nitrogen?

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  13. Why nitrogen does not form penthalides?

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  14. Why bismuth does not from pentahalides?

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  15. What type of hydridisation is involveed in the formation of pentahalid...

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  16. An element X belongs to group I or 2 or 15. Its oxide react with water...

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  17. A simole oxide of carbon and that another non-metal have the same Cp/C...

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  18. Which among the following is strongest reducing agent? BiH3,AsH3,PH3 a...

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  19. Which among N2O,P2O5,Sb2O and Bi2O5 is most unstable?

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  20. The electronegativity of nitrogen and chlorine is 3.0 Why nitrogen is ...

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