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Identify the correct statement about ort...

Identify the correct statement about orthoboric acid :

A

It has a layer structure in which planar `BO_3` units are joined by hydrogen bonds

B

Orthoboric acid `(H_3BO_3)` is weak monobasic Lewis acid

C

On heating ortho-boric acid form meta-boric acid and on further heating to red hot, forms boric acid anhydride

D

It is obtained by reacting borax with HCl using phenolphthalein as in indicator

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The correct Answer is:
A, B, C
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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
  1. Borax in its crystal posses :

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  2. Borazine is called 'inorganic benzene' which contains ring structure w...

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  3. Identify the correct statement about orthoboric acid :

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  4. On strong heating Pb(NO3)2 gives :

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  5. Heating of oxalic acid with conc. H2SO4 evolves:

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  6. Which of the following statement (s) is/are incorrect about borazine (...

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  7. Which of the given compound(s) can act as Lewis acid in both monomer a...

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  8. Select the correct statement(s) regarding structure of Al2(CH3)6 :

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  9. Which of the following molecules have a dative bonding (ppi-dpi) ?

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  10. Which of the following is/are correct for groups 14 elements ?

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  11. Aqueous solution of boric acid is treated with salicylic acid. Which o...

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  12. Formation of a bridge bond is best explained by M.O.T. According to wh...

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  13. Formation of a bridge bond is best explained by M.O.T. According to wh...

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  14. Silicon is second most abundant element occurring in earth crust. It i...

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  15. Silicon is second most abundant element occurring in earth crust. It i...

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  16. Match Column-I with Column-II

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  17. Match Column-I with Column-II

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  18. Match Column-I with Column-II

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  19. The number of sp^2 hybridized boron atoms in borax

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  20. On combustion of 1 mole of glucose the number of moles of CO2 produced...

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