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Give reasons Conc. HNO3 can be transpo...

Give reasons
Conc. `HNO_3` can be transported in aluminium container.

Text Solution

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When Al reacts with conc. `HNO_3`, a very thin film of aluminium oxide `(Al_2O_3)` is formed on its surface. This oxide layer protects Al from further reaction and hence aluminium container can be used to transport conc. `HNO_3`
`2Al(s) + 6HNO_3(conc.)to Al_2 O_3(s) + 6NO_2(g) + 3H_2O(l)`
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CHHAYA PUBLICATION-SOME p-BLOCK ELEMENTS-SOLVED NCERT EXERCISE
  1. Explain the following reaction : CO is heated with ZnO.

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  2. Explain the following reaction : Hydrated alumina is treated with aque...

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  3. Give reasons Conc. HNO3 can be transported in aluminium container.

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  4. Give reasons A mixture of dilute NaOH and aluminium pieces is used t...

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  5. Give reasons Graphite is used as lubricant.

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  6. Give reasons Diamond is used as an abrasive.

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  8. Give reasons Aluminium utensils should not be kept in water overnigh...

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  9. Give reasons Aluminium wire is used to make transmission cables.

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