Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

JEE Advanced 2019Paper 2

Exam: JEE Advanced
Year: 2019
Paper: Paper 2
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Advanced 2019 · Paper 2 · Chemistry · General Principles and Processes of Isolation of Metals

The cyanide process of gold extraction involves leaching out gold...

The cyanide process of gold extraction involves leaching out gold from its ore with

{CN}^{-}

in the presence of

Q

in water to form

R

. Subsequently,

R

is treated with

T

to obtain

Au

and

Z

. Choose the correct option(s). The cyanide process of gold extraction involves leaching out gold from its ore with CN ^ - in the presence of Q in

The cyanide process of gold extraction involves leaching out gold from its ore with CN ^ - in the presence of Q in

Options

A $T$ is $Zn$
B $R$ is ${\left[\text{ Au }{\left(CN\right)}_{4}\right]}^{-}$
C $Z$ is ${\left[Zn{\left(CN\right)}_{4}\right]}^{2 -}$
D $Q$ is ${O}_{2}$

Correct answer

A. $T$ is $Zn$

Step-by-step solution

The cyanide process of gold extraction involves leaching out gold from its ore with CN ^ - in the presence of Q in

Practice General Principles and Processes of Isolation of Metals on Quantrex Academy →

More from General Principles and Processes of Isolation of Metals

Identify the incorrect pair from the following : JEE Main 2024 The correct statement(s) related to processes involved in the extraction of metals is(are) JEE Advanced 2023 Which one of the following is not an example of calcination? JEE Main 2023 Given below are two statements related to Ellingham diagram : Statement I : Ellingham… JEE Main 2023 Which one of the following is most likely a mismatch? JEE Main 2023 Given below are two statements: one is labelled as Assertion A and the other is labelled… JEE Main 2023 Given below are two statements: Statement I: In the metallurgy process,sulphide ore is… JEE Main 2023 In the extraction process of copper, the product obtained after carrying out the… JEE Main 2023 Full General Principles and Processes of Isolation of Metals list All JEE Advanced PYQs