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Which of the following is a correct matc...

Which of the following is a correct match?
1) Orthoboric acid - `HBO_(2)`
2) Metaboric acid - `H_(6)B_(4)O_(7)`
3) Pyroboric acid - `H_(3)BO_(3)`
4) Tetraboric acid - `H_(2)B_(4)O_(7)`

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-REVISION EXERCISE -ELEMENTS OF BORON FAMILY
  1. 2X +6LiNoverset(450K)rarrB(2)H(6)+Y. The compounds, X and Y are

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  2. Hydrogen gas is liberated when aluminium is treated with A) Boiling ...

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  3. Which of the following is weakest Lewis acid ?

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  4. Aluminium reacts with concentrated H(2)SO(4) to liberate SO(2) gas. In...

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  5. Slippery nature of orthoboric acid is due to

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  6. In the reaction between boron and sodium hydroxide to liberate hydroge...

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  7. Specify the co-ordination geometry around and hybridisation of N and B...

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  8. The hybridisation of boron and oxygen atoms in a molecule of boric aci...

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  9. Strongest oxidant among the following is

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  10. Electronegativity of aluminium is 1.5. Electro negativity of thallium ...

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  11. The aqueous solution of AlCl3 contains Al^(+3) ions because

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  12. Formulae of metaborate and borate ions respectively are

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  13. Na(2)B(4)O(7)+H(2)Ooverset("Conc. HCl")underset(Delta)rarrNaCl+X Xov...

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  14. The products formed when boron trichloride is reduced with lithium alu...

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  15. Hot and concentrated solution of borax is treated with hydrochloric ac...

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  16. Some statements about the structure of diborane are given below (A...

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  17. In Borax bead test, which compound of the bead reacts with basic radic...

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  18. Which of the following is a correct match? 1) Orthoboric acid - HBO...

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  19. The colour developed for Co^(2+) basic radical in borax bead test is

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  20. In the formation of B-H-B bridge in diborane, the orbitals involved in...

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