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The anhydride of boric acid is...

The anhydride of boric acid is

A

Metaboric acid

B

Tetraboric acid

C

Boron trioxide

D

All

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The correct Answer is:
C
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AAKASH SERIES-ELEMENTS OF BORON FAMILY-PRACTICE EXERCISE
  1. Na2 B4 O7 10 H2 O overset("conc. HCl")to A. Compound 'A' is :

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  2. Indium and thallium of Ill group have nearly similar atomic radii due ...

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  3. The anhydride of boric acid is

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  4. The statements regarding Diborane are i) B2 H6 is stable in the ab...

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  5. Which of the following chloride is most unstable ?

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  6. The reason for the formation of hydrogen bridge bond in B2 H6 is

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  7. The chloride of one of the following elements is a stable covalent com...

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  8. Which of the following is not a Lewis acid?

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  9. Orthoboric acid behaves as weak monobasic acid giving H3 O^+ and

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  10. Select correct statement(s) about H3 BO3

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  11. The reactants in the industrial method of preparation of diborane are

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  12. The total number of vacant orbitals involved in bond formation in dibo...

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  13. Standard electrode potential values for Al^(3+)//Al is -1.66V and tha...

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  14. Which is not correct in case of boric acid ?

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  15. When diborane undergoes complete methylation, the number of hydrogen a...

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  16. Diborane reacts with ammonia under different conditions to give a vari...

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  17. 2Al + 6HCl to 2Al^(3+) + 6Cl^- + 3H2 2Al + 2NaOH + 6H2 O to 2Na(OH)...

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  18. The oxides of group 13 elements are given as A) B2 O3 B) Al2 O3 ...

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  19. Aluminium liberates dihydrogen gas with both dil.HCI and aqueous NaOH....

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  20. Boron is unable to form BF6^(3-) ion because of

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