Home
Class 12
CHEMISTRY
Assertion : PbSiF(6)+H(2)SiF(6)+ gelatin...

Assertion : `PbSiF_(6)+H_(2)SiF_(6)+` gelatine is taken as electrolyte in electrolytic refining of lead.
Reason : Discharge potential of `Pb^(2+)` is less than `H^(+)`.

A

If both assetion and reason are CORRECT, and reason is the CORRECT explanation of the assertion

B

If both assertion and reason are CORRECT, but reason is NOT the CORRECT explanation of the assertion

C

If assertion is CORRECT but reason is INCORRECT

D

If assertion is INCORRECT but reason is CORRECT

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    VK JAISWAL ENGLISH|Exercise MATCH THE COLUMN|20 Videos
  • ENVIRONMENTAL CHEMISTRY

    VK JAISWAL ENGLISH|Exercise ASSERTION-REASON TYPE QUESTIONS|14 Videos
  • p-BLOCK ELEMENTS

    VK JAISWAL ENGLISH|Exercise SUBJECTIVE PROBLEMS|35 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): Magnesium can be obtained by the electronlysis of aqueous solution of MgCl_(2) . Reason (R ): The electrode potential of Mg^(2+) is much higher than H^(o+) .

Assertion: Alkali metals are obtained by electrolysis of molten salt and not aqueous solution. Reason: The discharge potential of H^(+) ions is lower than alkali metals cation hence hydrogen is dicharged at cathode instead of metal.

Product obtained by electrolytic reduction of nitrobenzene in presence of H_2SO_4 s

Assertion : H_(2)Se is less acidic than H_(2)S. Reason : S is less electronegative than Se.

Assertion (A) : B_(2)H_(6),Si2H_(6) are said to have similar structure . Reason (R) : They have same number of sigma and pi bonds.

Assertion: (C_(2)H_(5))_(3)N is less basic than trimethylamine (CH_(3))_(3)N Reason: Due to hyperconjugation of C_(2)H_(5) is less than methyl.

Assertion: SiF_(6)^(2-) is known but SiCl_(6)^(2-) is not. Reason: Size of fluorine is small and its lone pair of electrons intersects with d-orbitals of Si strongly.

Why is H_(2)S less acidic than H_(2)Te ?

Why is H_(2)S less acidic than H_(2)Te ?

Assertion : Potential difference across the terminals of a battery is always less than the emf of the battery. Reason : During discharging of a battery potential differnce across to terminals of a battery is V = E -ir therefore V lt E

VK JAISWAL ENGLISH-METALLURGY-ASSERTION-REASON TYPE QUESTIONS
  1. Assertion : Wrought iron is more malleable and ductile than steel. R...

    Text Solution

    |

  2. Assertion : Lead, tin and bismuth are purified by liquation method. ...

    Text Solution

    |

  3. Assertion : Al(2)O(3) is converted into Al by reduction with carbon at...

    Text Solution

    |

  4. Assertion : Reduction of ZnO with carbon is done at 1100^(@)C. Reaso...

    Text Solution

    |

  5. Assertion : Desilverisation of lead is done by Parke's method DeltaG. ...

    Text Solution

    |

  6. Statement-I : All the ores are mineral Statement-II : Most of the or...

    Text Solution

    |

  7. Assertion : PbSiF(6)+H(2)SiF(6)+ gelatine is taken as electrolyte in e...

    Text Solution

    |

  8. Assertion : Nitriding is the process of heating steel in presence of N...

    Text Solution

    |

  9. Assertion : Ores are generally converted into oxides, prior to reducti...

    Text Solution

    |

  10. Assertion : In the extraction of Ag, complex Na[Ag(CN)(2)] is reacted ...

    Text Solution

    |

  11. Assertion : Thermite mixture Fe(2)O(3) +Al (powder) is used in the wel...

    Text Solution

    |

  12. Assertion : In froth floatation process sodium ethyl xanthate is used ...

    Text Solution

    |

  13. Assertion: CuFeS(2) is concentrated by froath floatation method Reas...

    Text Solution

    |

  14. Assertion : In the electrolytic reduction of Al(2)O(3), cryolite is us...

    Text Solution

    |

  15. Assertion : Wrought iron is more malleable and ductile than steel. R...

    Text Solution

    |

  16. Assertion : Lead, tin and bismuth are purified by liquation method. ...

    Text Solution

    |

  17. Assertion : Al(2)O(3) is converted into Al by reduction with carbon at...

    Text Solution

    |

  18. Reduction of ZnO with carbon is done at 1100^(@)C. Reason : Delta G^...

    Text Solution

    |

  19. Assertion : Desilverisation of lead is done by Parke's method. Reaso...

    Text Solution

    |

  20. Assertion : All the ores are mineral. ltbr. Reason : Ores contains met...

    Text Solution

    |