Home
Class 12
CHEMISTRY
Sodium borate on reaction with conc. H2 ...

Sodium borate on reaction with conc. `H_2 SO_4` and `C_2 H_5 OH` gives a compound A which burns with a green edged flame. The compound A is

A

`H_(2)B_(4)O_(7)`

B

`(C_(2)H_(5))_(2)B_(4)O_(7)`

C

`H_(3)BO_(3)`

D

`(C_(2)H_(5))_(3)BO_(3)`

Text Solution

Verified by Experts

`(C_(2)H_(5))_(3)BO_(3)` is the compound obtained and this burns with a green edged flame.
Promotional Banner

Topper's Solved these Questions

  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Selected straight objective|24 Videos
  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Assertion and reason|17 Videos
  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-42|1 Videos
  • POLYMERS

    DINESH PUBLICATION|Exercise Matrix|5 Videos
  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|15 Videos

Similar Questions

Explore conceptually related problems

The reaction of HCOOH with conc. H_2 SO_4 gives :

Excess of PCl_5 reacts with conc. H_2 SO_4 gives

DINESH PUBLICATION-PRINCIPLES RELATED TO PRACTICAL CHEMISTRY-RQ
  1. A pale green crystalline metal salt of M dissolves freely in water. It...

    Text Solution

    |

  2. Turn bull's blue is a compound

    Text Solution

    |

  3. Sodium borate on reaction with conc. H2 SO4 and C2 H5 OH gives a compo...

    Text Solution

    |

  4. On addition of aqueous NaOH to a salt solution, a white gelatinous pre...

    Text Solution

    |

  5. Brown ring test is used to detect

    Text Solution

    |

  6. Metal halide insoluble in water is

    Text Solution

    |

  7. When K2 Cr2 O7 crystals are heated with conc. HCl, the gas evolved is

    Text Solution

    |

  8. Which is most soluble in water?

    Text Solution

    |

  9. On passing H2 S gas in II group sometimes the solution turns milky. It...

    Text Solution

    |

  10. Dimethyl glyoxime in a suitable solvent was refluxed for 10 minutes wi...

    Text Solution

    |

  11. A mixture of chlorides of copper, cadmium, chromium, iron and aluminiu...

    Text Solution

    |

  12. A metal is burnt in air and the ash on moistening smells of ammonia. T...

    Text Solution

    |

  13. Which of the following pairs is not distinguished by passing H2 S?

    Text Solution

    |

  14. In qualitative analysis NH4 Cl is added before NH4 OH

    Text Solution

    |

  15. Which compound does not dissolve in hot dil. HNO3?

    Text Solution

    |

  16. An aqueous solution FeSO4 . Al2 (SO4)3 and chrome alumn is heated with...

    Text Solution

    |

  17. A salt on treatment with dil. HCl gives a pungent smelling gas and a y...

    Text Solution

    |

  18. Which of the following compound on reaction with NaOH and Na2 O2 gives...

    Text Solution

    |

  19. Which of the following cannot give iodometric titration?

    Text Solution

    |

  20. CrO3 dissolves in aqueous NaOH to give

    Text Solution

    |