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

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

A

two triangular and two tetrahedral units

B

three triangular and one tetrahedral units

C

all tetrahedral units

D

all triangular units

Text Solution

Verified by Experts

The correct Answer is:
A
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Structure of Na_(2)[B_(4)O_(5)OH)_(4)]*8H_(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.

VK JAISWAL-CHEMICAL BONDING (ADVANCED)-Level 2
  1. Select the correct statements:

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  2. Oxidation state of 'S' in peroxodisulphuric acid and sodium tetrathion...

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

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  4. Which of the following molecular species in not linear?

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  5. Incorrect match is :

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  6. Consider the following reactions: MX(4)+X'(2) to MX(4)X(2)' If ato...

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  7. Select the Incorrect statements:

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  8. In which of the following species, d-obitals having xz an yz two nodal...

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  9. The correct order of increasing s character ( in percentage ) in the h...

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  10. The shape of MnO(4)^(-) ion and the hybridisation of Mn in MnO(4)^(-) ...

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  11. Which one of the following molecule will have all equal X-F bonds leng...

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  12. Consider the following information (F=F or Cl) According to given...

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  13. In which of the following cases C-C bond length will be highest?

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  14. In which of the following cases C-C bond length will be highest? (I)...

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  15. The correct order of equatorial FSF bond angle in the folllowing compo...

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  16. Incorrect orders of bond angle is :

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  17. Minimum F-S-F bond angle present in :

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  18. The correct order of increasing bond angle is

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  19. The correct order for bond angles is :

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  20. Which one is correct for bond angle?

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