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JEE Main 202122 JulyMorning Shift

Exam: JEE Main
Year: 2021
Date: 22 July
Shift: Morning Shift
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Main 2021 · 22 July · Morning Shift · Chemistry · General Principles and Processes of Isolation of Metals

Sulphide ion is soft base and its ores are common for metals (a) Pb...

Sulphide ion is soft base and its ores are common for metals

$\left(a\right)$ Pb $\left(b\right)$ Al $\left(c\right)$ Ag $\left(d\right)$ Mg $</p><p>Choose the correct answer from the options given& below& </p><p>& </p>$

Options

A $a\text{and}c\text{only}$
B $a\text{and}d\text{only}$
C $a\text{and}b\text{only}$
D $c\text{and}d\text{only}$

Correct answer

A. $a\text{and}c\text{only}$

Step-by-step solution

Pb

and

Ag

commonly exist in the form of sulphide ore like

PbS

(galena)

and {Ag}_{2}S

(Argentite)

Al

is mainly found in the form of oxide ore whereas

Mg

is found in the form of halide ore.

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