Home
Class 12
CHEMISTRY
Dipping iron article into a strongly alk...

Dipping iron article into a strongly alkaline solution of sodium phosphate :

A

does not affect the article

B

forms `Fe_(2)O_(3). X H_(2)O` on the surface

C

forms iron phosphate film

D

forms ferric hydroxide

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    OP TANDON|Exercise One or more than correct answer|19 Videos

  • ELECTROCHEMISTRY

    OP TANDON|Exercise Assertion- Reason|27 Videos

  • ELECTROCHEMISTRY

    OP TANDON|Exercise OBJECTIVE TYPE QUESTION (LEVEL -A)|194 Videos

  • COORDINATION COMPOUNDS

    OP TANDON|Exercise SBJECTIVE TYPE|96 Videos

  • HALOALKANES AND HALOARENES

    OP TANDON|Exercise Single Interger answer type questions|14 Videos

Similar Questions

Explore conceptually related problems

What is the Van't Hoff factor for sodium phosphate ?

Sodium nitroprusside when added to an alkaline solution of sulphide ions produces

Sodium nitoprusside when added to an alkaline solution of sulphide ions produce a

0.6 mol of barium chloride in solution is mixed with 0.2 mol of sodium phosphate, the amount of barium phosphate produced is:

the formula of sodium dihydrogen phosphate

OP TANDON-ELECTROCHEMISTRY-OBJECTIVE TYPE QUESTION (LEVEL -B)
  1. The efficiency of a hypothetical cell is about 84% which involves the ...

    Text Solution

    |

  2. A chemical reaction will be non-spontaneous if

    Text Solution

    |

  3. Match the List-I with List-II {:(,"List-I (Electrode)",,"List -II (T...

    Text Solution

    |

  4. The conductivity of saturated solution of BaSO(4) is 3.06xx10^(-6) ohm...

    Text Solution

    |

  5. A standard hydrogen electrode has zero electrode potential because :

    Text Solution

    |

  6. I. Conductance of electolyte solution increases with temperature II....

    Text Solution

    |

  7. I. The conductivity of molten NaCl is due to movement of Na^(+) and Cl...

    Text Solution

    |

  8. I. Cathode is -ve terminal both in electrochemical and electrolytic ce...

    Text Solution

    |

  9. In an experiment, 0.04 F was passed through 400 mL of a 1M solution of...

    Text Solution

    |

  10. An alloy of Pb-Ag weighing 1.08g was dissolved in dilute HNO(3) and th...

    Text Solution

    |

  11. Select the incorrect statements about dry cell:

    Text Solution

    |

  12. Given the standard oxidation potentials Fe overset(+0.4V)rarr Fe^(2+...

    Text Solution

    |

  13. Dipping iron article into a strongly alkaline solution of sodium phosp...

    Text Solution

    |

  14. For the redox process Zn (s) + Cu^(2+) hArr Zn^(2+) + Cu(s) E("cell"...

    Text Solution

    |

  15. C(4)H(10)+(13)/(2)O(2)(g)rarr4CO(2)(g)+5H(2)O(l), DeltaH =- 2878 kJ ...

    Text Solution

    |

  16. Molar conductance Lamda(m) is plotted against sqrt(C) (mol "litre"^(-1...

    Text Solution

    |

  17. In the concentration cell Pt (H(2)) |(HA (0.1M)),(Na A (1M))||(HA (1...

    Text Solution

    |

  18. In the following process of disproportionation: underset(underset("i...

    Text Solution

    |

  19. For the following electrochemical cell at 298 K, pt (s) |H(2) (g, 1 ...

    Text Solution

    |

  20. For the following cell, Zn(s)|ZnSO(4)(aq)||CuSO(4)(aq)||Cu(s) When...

    Text Solution

    |