Home
Class 12
CHEMISTRY
Na(2)B(4)O(7).10H(2)O is correctly repre...

`Na_(2)B_(4)O_(7).10H_(2)O` is correctly represented as

A

`2NaBO_(2).Na_(2)B_(2)O_(3).10H_(2)O`

B

`Na_(2)[B_(4)O_(5)(OH)_(4)].8H_(2)O`

C

`Na_(2)[B_(4)(H_(2)O)_(4)O_(7)].6H_(2)O`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Na_(2) CO_(3). 10 H_(2) O is

In borax bead test, the borax used is Na_(2)B_(4)O_(7).10H_(2)O . However, the species that is responsible for the test is

Na_(2)B_(4)O_(7). 10H_(2) O overset(Delta)(to) X overset(Delta)(to) Y + Z ,X Y and Z in the reaction are

Na_(2)B_(4)O_(7).10H_(2)Ooverset("Heat")rarrX + NaBO_(2) + H_(2)O, X + Cr_(2)O_(3) overset("Heat")rarrunderset(("Green coloured"))Y X and Y are :

In Borax (Na_(2)B_(4)O_(7).10H_(2)O) if number of sp^(2) hybridised B- atoms are X and number of sp^(3) hybridised B- atom are Y. What is the value of X+Y ?

H_(2)O_(2)rarr H_(2)O+O_(2) This represents

Solubility curve of Na_(2)SO_(4).10H_(2)O in water with temperature is given as

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

Match list I with list II and choose the correct answer from the codes given below - {:("List "I,,"List "II),((i)NaNO_(3),,(a)"Baking soda"),((ii) Na_(2)BB_(4)O_(3).10H_(2)O,,(b)"Chile salt peter"),((ii) NaHCO_(3),,(c )"Borax"),((iv)Na_(2)CO_(3).10H_(2)O,,(d)"Washing soda"):} Code :

ALLEN-p-Block Element -All Questions
  1. The main factor responsible for weak acidic nature of BF(3) is :-

    Text Solution

    |

  2. BCl(3) does not exist as dimer but BH(3) exists as dimer because

    Text Solution

    |

  3. Which of the following statement is true on the basis of back bonding...

    Text Solution

    |

  4. Which of the following is incorrect for H(3)BO(3)

    Text Solution

    |

  5. In the reaction. 2X + B(2) h(6) to [BH(2) (X(2))]^(+) [BH(4)]^(-) ...

    Text Solution

    |

  6. Solid CO(2) is

    Text Solution

    |

  7. What is hybridisation on the central atom of SiO(2).

    Text Solution

    |

  8. Which one of the following statement regardings BF(3) is not correct ?

    Text Solution

    |

  9. Borazole (B(3)N(3)H(6)) is related to benzene as

    Text Solution

    |

  10. Na(2)B(4)O(7).10H(2)O is correctly represented as

    Text Solution

    |

  11. The hybridization states of boron and nitrogen in borazole respectivel...

    Text Solution

    |

  12. Alumina is an ionic compound but insoluble in water because

    Text Solution

    |

  13. Fruit flies are one of the best materials for genetic studies becaus...

    Text Solution

    |

  14. Which does not exist ?

    Text Solution

    |

  15. Three centred two electron bond is present in

    Text Solution

    |

  16. Correct order is

    Text Solution

    |

  17. Thallium(Tl) Show +1 stable oxidation state due to because

    Text Solution

    |

  18. The maximum number of atoms which lie in the same plane in B(2)H(6) mo...

    Text Solution

    |

  19. In which of the folowing molecules, vacant orbitals do not participate...

    Text Solution

    |

  20. b. Buckminsterfullerne or buckuy ball is ………………. ,

    Text Solution

    |