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A certain salt X gives the following rea...

A certain salt X gives the following reactions (ii) It swells up to a glassy matter Y on heating

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The correct Answer is:
`Na_2B_4O_7.10h_2Ounderset(-H_2O)overset(heat)rarrNa_2B_4O_overset(heat)rarr2NaBO_2+B_2O_3`
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A N EXCEL PUBLICATION-THE P-BLOCK ELEMENTS-QUESTION BANK
  1. Classify the oxides as neutral, acidic amphoteric and basic CO, B2O3...

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  2. A certain salt X gives the following reactions (i) Its aqueous solutio...

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  3. A certain salt X gives the following reactions (ii) It swells up to a ...

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  4. A certain salt X gives the reaction,When Con.H2SO4 is added to a hot s...

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  5. Write balanced equation for BF3+LiH rarr

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  6. Write balanced equation for B2H6+H2O rarr

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  7. Write balanced equation for NaH+B2H6 rarr

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  8. Write balanced equation for H3BO3 rarr

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  9. Write balanced equation for Al+NaOH rarr

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  10. Write balanced equation for B2H6+NH3 gives

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  11. The aqueous solution of borax is

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  12. Boric acid is polymeric due to -----

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  13. Hybridisation of boron in B2H6 is -----

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  14. Thermodynamically, the most stable allotrope of carbon is……………..

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  15. The Elements of group 14 show ----- oxidation states

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  16. Boron, Aluminium, Gallium, Indium and Thallium belong to group 13 of t...

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  17. Boron, Aluminium, Gallium, Indium and Thallium belong to group 13 of t...

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  18. Boron, Aluminium, Gallium, Indium and Thallium belong to group 13 of t...

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  19. Explain the shapes of BF3 and BH4^-. Assign hybridisation of Boron in ...

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  20. Two Important oxides of carbon are carbon monox ide and carbon dioxide...

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