Home
Class 12
CHEMISTRY
Name the metal M which is extracted on t...

Name the metal M which is extracted on the basis of following reactions :
`4M + 8CN^(-)+2H_(2)O+O_(2) rarr 4[M(CN)_(2)]^(-)+4OH^(-)`
` 2[M(CN)_(2)]^(-)+Zn rarr [Zn(CN)_(4)]^(2-)+ 2M`

A

Nickel

B

Silver

C

Copper

D

Mercury

Text Solution

Verified by Experts

The correct Answer is:
B

Both silver and gold are extracted by this process.
Promotional Banner

Topper's Solved these Questions

  • CO-ORDINATION COMPOUNDS

    DINESH PUBLICATION|Exercise REVISION QUESTIONS|165 Videos
  • CO-ORDINATION COMPOUNDS

    DINESH PUBLICATION|Exercise SELECTED STRAIGHT OBJECTIVE TYPE MCQS|84 Videos
  • CHEMISTRY IN EVERY DAY LIFE

    DINESH PUBLICATION|Exercise Unit test-9|50 Videos
  • CYANIDES, ISOCYANIDES, NITROCOMPOUNDS AND AMINES

    DINESH PUBLICATION|Exercise Unit test - 8|20 Videos

Similar Questions

Explore conceptually related problems

In the equation: M+8CN^(-)+2H_(2)O+O_(2)to4[M(CN)_(2)]^(-)+4OH^(-) metal M is:

A metal M is extracted based on the following equation 4M+8CN^-+2H_2O+O_2 rarr 4[M[CN]_2]^-+4OH^- 2[M[CN]_2]^- +Zn rarr [Zn[CN]]^(2-) +2M identify M

Following reactions take place during extraction of gold 4Au+8CN^(-)+ 2H_(2)O + O_(2) to 4[Au(CN)_(2)]^(-)+ 4OH^(-) 2[Au(CN)_(2)]^(-) + Zn to 2Au + [Zn(CN)_(4)]^(2-) Zinc in the extraction of gold acts as a/an