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Show that Be(OH)(2) is amphoteric in nat...

Show that `Be(OH)_(2)` is amphoteric in nature.

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`Be(OH)_2` is amphoteric in nature. This can be evidented by the following reactions.
`Be(OH)_2` reacts with both acids and alkalis.
`Be(OH)_2 +2OH^(-) to [Be(OH)_4]^(2-)`
Beryllation
`Be(OH)_2 +2HCl +2H_2O to [Be(OH)_4]Cl_2`
HEnce `Be(OH)_2` is amphoteric in nature.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-THE S-BLOCK ELEMENTS -SHORT ANSWER QUESTIONS
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  2. What makes caesium and potassium useful as electrodes in photoelectric...

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  3. Write a short note on the reactivity of alkali metals towards air.

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  4. Give any two uses for each of the following metals. (i) Lithium (ii) ...

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  5. Give an account of the properties of washing soda.

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  6. Mention some uses of sodium carbonate.

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  7. How do you obtain pure sodium chloride from a crude sample?

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  8. What do you know about Castner-Kellner process? Write the principle in...

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  9. Write a few applications of caustic soda.

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  10. Give an account of the biological importance of Na^(+) and K^(+) ions.

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  11. Mention the important uses of Mg metals.

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  12. Show that Be(OH)(2) is amphoteric in nature.

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  13. Write a note on the anomalous behaviour of beryllium.

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  14. Be shows diagonal relationship with Al. Disicuss.

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  15. What is Plaster of Paris? Write a short note on it.

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  16. In what ways lithium shows similarities to magnesium in its chemical b...

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  17. When an alkali metal dissolves in liquid ammonia the solution can acqu...

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  18. What happens when (i) Sodium metal is dropped in water (ii) Sodium met...

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  19. State as to why (i) An aqueous solution of Na(2)CO(3) is alkaline.

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  20. How would you expalain the following observation? (i)BeO is almost i...

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