Match Column 1 with Column 2-Column 1 Column 2A- Mond-s process 1- Cr2O3-2Al2Cr-Al2O3 B- van Arkel process 2- TiCl4-2Mg Ti-2MgCl2C- Thermite process 3- NiCO4Ni-4COD- Kroll-s process 4- ZrI4Zr-2I2

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Stoichiometry

Match Column ...

Question

Match Column 1 with Column 2:
Column 1
Column 2
A. Mond's process $1. C r_{2} O_{3} + 2 A l △ - \to 2 C r + A l_{2} O_{3}$
B. van Arkel process
$2. T i C l_{4} + 2 M g △ - \to T i + 2 M g C l_{2}$
C. Thermite process $3. N i (C O)_{4} △ - \to N i + 4 C O$
D. Kroll's process $4. Z r I_{4} △ - \to Z r + 2 I_{2}$

A - 1; B - 2; C - 3; D - 4

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A - 2; B - 4; C - 3; D - 1

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A - 3; B - 2; C - 1; D - 4

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A - 3; B - 4; C - 1; D - 2

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Solution

The correct option is C A - 3; B - 4; C - 1; D - 2
$A :$ Mond Process is used for purifying Nickel.
$N i + 4 C O 300 K \to N i (C O)_{4} 450 K \to N i + 4 C O$

$B :$ Van Arkel Method is used for obtaining ultra-pure metals Ti, Zr, etc.

Impure Metal + $I_{2} \to$ Metal Iodide $H e a t - -- \to$ Pure Metal + $I_{2}$

$C :$ Thermite process is used for refining chromium.

$C r_{2} O_{3} + 2 A l Δ \to 2 C r + A l_{2} O_{3}$

$D :$ Kroll method is also used for Titanium refining.

$T i C l_{4} + 2 M g Δ \to T i + 2 M g C l_{2}$

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Column 1	Column 2
A. Mond's process	$1. C r_{2} O_{3} + 2 A l △ - \to 2 C r + A l_{2} O_{3}$
B. van Arkel process	$2. T i C l_{4} + 2 M g △ - \to T i + 2 M g C l_{2}$
C. Thermite process	$3. N i (C O)_{4} △ - \to N i + 4 C O$
D. Kroll's process	$4. Z r I_{4} △ - \to Z r + 2 I_{2}$

Match Column 1 with Column 2:Column 1 Column 2A. Mond's process1. Cr2O3+2Al△−→2Cr+Al2O3 B. van Arkel process 2. TiCl4+2Mg△−→Ti+2MgCl2C. Thermite process3. Ni(CO)4△−→Ni+4COD. Kroll's process4. ZrI4△−→Zr+2I2