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What happens when Aluminium is heated w...

What happens when Aluminium is heated with dilute NaOH ?

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When aluminium is heated with dilute NaOH, aluminium dissolves forming tetrahydroxo aluminate (III) and liberates hydrogen gas .
`2Al + 2NaOH + 6H_2O to 2Na^(+) [Al(OH)_4]^(-) + 3H_2`
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VGS PUBLICATION-BRILLIANT-THE P-BLOCK ELEMENTS - GROUP 13 -SHORT ANSWER QUESTIONS
  1. What happens when Borax is heated strongly ?

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  2. What happens when Boric acid is added to water ?

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  3. What happens when Aluminium is heated with dilute NaOH ?

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  4. What happens when BF3 is treated with ammonia ?

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  5. What happens when Hydrated alumina is treated with aq.NaOH solution ?

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

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  7. Give reasons A mixture of dil. NaOH and aluminium pieces in used to...

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  8. Give reasons Aluminium alloys are used to make aircraft body

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

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

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  11. Explain why the electronegativity of Ga, In and Tl will not vary very ...

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  12. Explain borax bead test with a suitable example

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  13. Explain the structure of diborane.

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  14. Explain the reactions of aluminium with acids.

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  15. Write a short note on the anomalous behaviour of boron in the group - ...

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  16. Aluminium reacts with dil. HNO3 but not with conc. HNO3-explain.

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  17. Give two methods of preparation of diborane.

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  18. How does diborane react with H2O ?

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  19. How does diborane react with CO ?

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  20. How does diborane react with N(CH3)3 ?

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