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JEE Main 202127 AugustEvening Shift

Exam: JEE Main
Year: 2021
Date: 27 August
Shift: Evening Shift
Subject: Chemistry
Chapter: General Principles and Processes of Isolation of Metals

JEE Main 2021 · 27 August · Evening Shift · Chemistry · General Principles and Processes of Isolation of Metals

Match List-I with List-II : List-I (Name of ore/mineral) List-I...

Match List-I with List-II :

	List-I (Name of ore/mineral)		List-I (Chemical formula)
a	Calamine	i	$ZnS$
b	Malachite	ii	${FeCO}_{3}$
c	Siderite	iii	${ZnCO}_{3}$
d	Sphalerite	iv	${CuCO}_{3} \cdot Cu ( OH{)}_{2}$

Choose the most appropriate answer from the options given below :

Options

A $( a ) - ( iv ) , ( b ) - ( iii ) , ( c ) - ( i ) , ( d ) - ( ii )$
B $( a ) - ( iii ) , ( b ) - ( ii ) , ( c ) - ( iv ) , ( d ) - ( i )$
C $( a ) -( iii ),( b )-( iv ),( c )-( i ),( d )-( ii )$
D $( a ) -( iii ), ( b ) -( iv ),( c )-( ii ),( d )-( i )$

Correct answer

D. $( a ) -( iii ), ( b ) -( iv ),( c )-( ii ),( d )-( i )$

Step-by-step solution

(i) Calamine
$: {ZnCO}_{3}$

(ii) Siderite
$: {FeCO}_{3}$

(iii) Malachite $: {CuCO}_{3} \cdot Cu ( OH{)}_{2}$

(iv) Sphalerite $: ZnS$

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