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What is inorganic benzene ? Why is it so...

What is inorganic benzene ? Why is it so called ? How will you get it from diborame ?

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Borazine or borazole `(B_(3)N_(3)H_(6))` is known as inotganic benzene. It is so called because it is isoelectronic and isostructural to benzene `(C_(6)H_(6))`.

Preparation of borazine :
`3B_(2)H_(6) + 6NH_(3) overset(200^@ C)rarr 2B_(3) N_(3) H_(6) + 12H_(2) uarr`
By heating diborane and ammonia at `200^@ C`, borazine is formed.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 13 - BORON FAMILY-Ex 6.1 (Subjective)
  1. Why boron does not exist as B^(2+) ion in solution or in compound ?

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  2. The +1 oxidation state is more stable than +3 oxidation state for thal...

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  3. Aluminium chloride exists as dimer. Give reason.

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  4. Why boron halides do not exists as a dimer. While AlCl(3) exists as Al...

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  5. Give reaction for the following : (a) In (III) is more stable than i...

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  6. Why boron and aluminium tend to for, covalent compounds ?

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  7. Molten aluminium bromide is a poor conductor of electricity. Give reas...

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  8. Why B-X bond distance in BX(3) is shorter than theoretically expected ...

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  9. Boric acid can be titrated against sodium hydroxide using phenolphthal...

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  10. Which one is more soluble in diethyl ether : anhydrous AlCl(3) or hydr...

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  11. How is boron obtained from borax ? Give the chemical reactions involve...

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  12. Unlike ordinary fire, thermite reaction cannot be stopped by pouring w...

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  13. (a) Explain why BF(3) exists whereas BH(3) does not. (b) Compare the...

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  14. State with equations what happens when borax is heated on a platinum w...

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  15. What is inorganic benzene ? Why is it so called ? How will you get it ...

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  16. AlF(3) is insoluble in anhydrous HF but dissolves on addition of NaF. ...

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  17. What do you understand by : (a) Ammonal (b) Bentonite ( c) Rubie...

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