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Which of the following option is /are co...

Which of the following option is /are correct?
`Ca_(2)B_(6)O_(11)+Na_(2)CO_(3) overset(Delta) rarr CaCO_(3)+A+B`
`A+CO_(2) rarr B`

A

`B contains 5`B-O-B` linkage

B

A will be obtained by thermal decomposition of B

C

Aqueous solution of B used as a acidic buffer in titration

D

A exists in a polymeric form.

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The correct Answer is:
A, B, C, D
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GRB PUBLICATION-P BLOCK ELEMENTS-Multiple Objective Type
  1. Select the colured compound (s):

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  2. Which of the following will not give anhydroues chloride by heating?

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  3. Which of the following option is /are correct? Ca(2)B(6)O(11)+Na(2)C...

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  4. Very pure nitrogen can be obtained by :

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  5. Which of the following undergo disproportionation on heating?

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  6. The compound which produce CO gas finally on heating are :

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  7. The compounds which do not undergo hydrolysis at room temperature are:

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  8. Which of the following statement is correct?

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  9. Choose the correct statements (s):

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  10. Which of the following statement are correct ?

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  11. The Lewis acid strength of following molecule is in the order:

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  12. Choose the correct statements (s) for group-18 elements:

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  13. Select the incorrect statement (s) about noble gases:

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  14. XeF(6) (s) can be prepared by:

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  15. Identify the reaction(s) in which the stereochemistry of underlined sp...

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  16. Which among the following is a use of helium?

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  17. Select the correct statement (s) regarding compounds of noble gases:

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  18. Which of the following methods can be used to produce phosphine gas ?

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  19. Which of the following is a redox reaction ?

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  20. Compound (A) contains Cl in its structure and Cl has uninegative and u...

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