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When strongly heated, orthoboric acid le...

When strongly heated, orthoboric acid leaves a residue of 

A

Metaboric acid

B

Tetraboric acid

C

Boric anhydride

D

Boron

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-ELEMENTS OF BORON FAMILY-OBJECTIVE EXERCISE - 2
  1. The number of sigma and pi bonds present in inorganic benzene

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  2. The number of electrons shared between the two Boron atoms directly in...

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  3. When strongly heated, orthoboric acid leaves a residue of

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  4. Tau bonds are formed by overlapping of

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  5. Borax bead test is not given by

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  6. H(3)BO(3)overset("Red heat")rarr- X. 'X' in the reaction is

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  7. The hybridisation of boron in borax is

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  8. BCl(3) on hydrolysis forms

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  9. The maximum number of atoms present in the same plane in diborane mole...

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  10. Diborane does not liberate H(2) gas with

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  11. The statements regarding Diborane are i) Diborane contains 2-centred...

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

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  13. Formulae of metaborate and borate ions respectively are

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

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

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

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  17. What is the nature of aqueous borax solution ?

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  18. An alkali metal hydride (NaH) reacts with diborane in 'A' to give a te...

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  19. The products of the reaction between Ca(2)B(6)O(11) and Na(2)CO(3) are

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  20. In Al(2)Cl(6) the number of covalent and co-ordinate bonds are

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