MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Trend in Atomic Radius

What is the f...

Question

What is the function of NaCN and CuCN in froth flotation method?

Open in App

Solution

Dear Student
NaCN and CuCN act as depressant in the froth floatation process.

As a depressant they seperate the sulphide ores such as ZnS,PbS and allows PbS to form the froth with the air bubbles.They settle the other impurities and dont allow them to come in the froth.
$4 N a C N + Z n S \to N a_{2} [Z n (C N)_{4}] + N a_{2} S$
Here Na₂[Zn(CN)₄] is the impurity formed which settles at the bottom.

Regards

Suggest Corrections

thumbs-up

0

Similar questions

Q. NaCN used in the froth flotation method for the purification of ore is:-

Q. Froth flotation method is used for the concentration of :

N a C N

is sometimes added in the froth flotation process as a depressant when

Z n S

P b S

minerals are expected because ______.

Q. NaCN is sometimes added in the froth flotation process as a depressant when ZnS and PbS minerals are expected because __________.

N a C N

is sometimes added in the froth flotation process as a depressant when

Z n S

P b S

are to be separated in the given sample because:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Size of an Atom or Ion

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Trend in Atomic Radius

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon