CameraIcon

SearchIcon

MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Van Arkel - De Boer Method

Which of the ...

Question

Which of the following metal is not used in the extraction of gold and silver?

A

Lead

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

Zinc

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

Mercury

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

Copper

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
Mercury

The explanation for the correct option -
Option(C)
Gold and Silver are noble metals.
These are extracted by the process of smelting or hydrometallurgy.
Mercury is used to forming an amalgam, not for extracting Gold and Silver.
The explanation for the incorrect options -
In the extraction of Gold and Silver, Zinc and Copper are used as a reducing agents.
Which solidifies the Gold and Silver.
Lead concentrates are used in the process of smelting to extract Iron.
Hence, Option C is correct.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Which of the following is used in metal extraction?

Q. Extraction of gold and silver involves leaching the metal with

C N^{-}

ion. The metal is recovered by:

Q. Assertion :An amalgam is a substance formed by the reaction of mercury with another metal. Reason: Almost all metals can form amalgams with mercury. Silver-mercury amalgams are important in dentistry, and gold-mercury amalgam is used in the extraction of gold from ore.

Q. Assertion :In cyanide process for the extraction of gold and silver from their native ores, the cyanide solution acts as a reducing agent to reduce the gold and silver compounds present in the ores into the metallic states. Reason: In the extraction of gold and silver, the cyanide solution acts as complexing reagent in the presence of air and form their respective soluble complexes.

Q. Extraction of gold and silver involves leaching was

C N^{-}

ion. Silver is later recovered by:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Van Arkel - de Boer Method

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Van Arkel - De Boer Method

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon