Home
Class 12
CHEMISTRY
Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d)...

`Ag_(2)S +NaCN rarr (a)`
(a) `+Zn rarr (d)`
(b) is a metal. Hence `(a)` and `(b)` are

A

`Na [Zn(CN)_4], Zn `

B

`Na[Ag(CN)_2], Ag`

C

`Na_2 [Ag(CN)_4 ], Ag`

D

`Na_3 [Ag(CN)_4 ], Ag`

Text Solution

Verified by Experts

The correct Answer is:
B

`Ag _2 S + 4 NaCN to 2 Na [Ag (CN)_2 ] +Na_2 S`
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE -1: CONCEPT APPLICATOR|35 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE -1: CONCEPT APPLICATOR|35 Videos
  • EQUILIBRIUM

    DISHA PUBLICATION|Exercise Exercise-2 : Concept Applicator|30 Videos
  • HALOALKANES AND HALOARENES

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|28 Videos

Similar Questions

Explore conceptually related problems

Zn + 2NaOH rarr A + B

Ag_(2)S+NaCNrarrAoverset(Zn)rarrB , Hence A and B are -

The mechanism for the overall reaction is A_(2) + B rarr C A_(2) rarr 2A (slow) 2A + B rarr X (fast) If a catalyst D changes the mechanism to A_(2) + D rarr A_(2) D (slow) A_(2) D rArr 2A+D (fast) 2A +B rarr C (fast) Which is the rate expresison for the reaction with and without a catalyst ?

DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. In Hall's process, the main reagent is mixed with

    Text Solution

    |

  2. In the extraction of copper, the metal formed in the Bessemer converte...

    Text Solution

    |

  3. Ag(2)S +NaCN rarr (a) (a) +Zn rarr (d) (b) is a metal. Hence (a) a...

    Text Solution

    |

  4. Method used for obtaining highly pure silicon which is used as a semic...

    Text Solution

    |

  5. In the purification of impure nickel by Mond's process, metal is purif...

    Text Solution

    |

  6. Incorrect match

    Text Solution

    |

  7. In van Arkel method, if I(2) is introduced at 1700 K over impure metal...

    Text Solution

    |

  8. Van Arkel method of purification of metals involves converting the met...

    Text Solution

    |

  9. Identify the reaction that does not take place in a blast furnace

    Text Solution

    |

  10. The temperature (""^@C) at which Fe2 O3is finally reduced to Fe in the...

    Text Solution

    |

  11. High purity copper is obtained by

    Text Solution

    |

  12. Iron is obtained on a large scale from Fe2O3 by

    Text Solution

    |

  13. Which of the following metals is obtained by electrolytic reduction pr...

    Text Solution

    |

  14. In the extractionof iron, slag is produced. Slag is

    Text Solution

    |

  15. Thomas slag is

    Text Solution

    |

  16. Which of the following pairs of metals uis purified by van arkel meth...

    Text Solution

    |

  17. Which of the following metals is extracted by the electrometallurgical...

    Text Solution

    |

  18. The electrolytic reduction technique is used in the extraction of

    Text Solution

    |

  19. Nickel is purified by thermal decomposition of its

    Text Solution

    |

  20. In the electrolysis of alumina, cryolite is added to

    Text Solution

    |