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Structure of Na(2)[B(4)O(5)OH)(4)]*8H(2)...

Structure of `Na_(2)[B_(4)O_(5)OH)_(4)]*8H_(2)O` contains :

A

two triangular and two tetrahedral units of boron

B

three triangular and one tetrahedral units of boron

C

four identical `B-O-B` linkages

D

one peroxy linkage

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The correct Answer is:
A, C
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Structure of Na_(2)[B_(4)O_(5)(OH)_(4)]*SH_(2)O contains

In the structure of [B_(4)O_(5)(OH)_(4)]^(2-) .

Borax is formulated as Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O . On the basis if its sturture answer the followings questions Number of B-O-B bonds in the structure

Borax is correctly represented as Na_(2)[B_(4)O_(5)(OH)_(4)]. 8H_(2)O . How many tetrahedral boron atoms are present in the structure of borax ?

Borax is formulated as Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O . On the basis if its sturture answer the followings questions Total number of -OH groups attached to Boron atoms in Borax

Borax is formulated as Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O . On the basis if its sturture answer the followings questions Hybridisation of Boron atoms

Borax is actually made of two tetrahedral and tetrahedral and two triangular units joined together and should be written as Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O Select incorrect statement:

Assertion: The borax Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O is a useful primary standard for titrating against acids. Reason: Aqueous solution of borax contains equal ammounts of weak acid and its salt.

GRB PUBLICATION-CHEMICAL BONDING-I-Multiple Objective Type
  1. Which of the following molecule(s) is/are having sp^(3)d^(2) hybridisa...

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  2. Which of the following statements is correct in the context of the all...

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  3. Structure of Na(2)[B(4)O(5)OH)(4)]*8H(2)O contains :

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  4. P in PCl(5) has sp^(3)d-hybridisation which of the following statement...

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  5. Which of the following are non-polar?

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  6. Which of the following is not a preferred resonating structure for azi...

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  7. Which of the following structures are planar?

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  8. In which of the following molecules ppi-dpi bonds are not present?

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  9. Which of the following attain the linear structure ?

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  10. CO is isoelectronic with

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  11. Which of the following species have the same shape?

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  12. Which of the following statements are correct about CO(3)^(2-)?

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  13. Which of the following statements are incorrect ?

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  14. Select oxyacid(s) which must have P-H," "P-OH and P = O linkage(s) in ...

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  15. Which of following statements are incorrect?

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  16. In which of following molecule/species all angles between adjacent ato...

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  17. Choose the incorrect match : |{:(,"Name","Formula"),("(a)","Sodium h...

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  18. Some azides are very pure source of nitrogen Identify all the azides.

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  19. Which of the following elements can show covalency greater than 4?

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  20. Find the imposible overlapping if z-axis is considered to be intermole...

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