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Match the following Column – I with Column – II :
Column – I Column – II
A)
P) ZnO - $C r_{2} O_{3},$ 200-300 atm and 573-673 K
B)
Q) $N a_{2} C r_{2} O_{7} / H^{+}$
C)
R) $c o n c . H N O_{3}$
D) $C O + 2 H_{2} \to C H_{3} O H$ S) Zn dust
T) $L i A l H_{4}, E t_{2} O$

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$A - R; B - Q; C - S; D - T$

$A - Q; B - R; C - S; D - P$

$A - P; B - Q; C - S; D - T$

$A - R; B - Q; C - S; D - P$

answer is C.

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Detailed Solution

P $\overset{}{\to}$ Ipso substitution
Q $\overset{}{\to}$ Oxidation
R $\overset{}{\to}$ Reduction

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